/* ============================================================
   VoiceLytix — Global Stylesheet
   Dark Enterprise Theme · Brand: Purple / Magenta
   ============================================================ */

:root {
  --bg-primary: #07080f;
  --bg-secondary: #0b0b14;
  --bg-card: #0f0f1c;
  --bg-card-hover: #141425;
  --border: rgba(139, 92, 246, 0.14);
  --border-bright: rgba(139, 92, 246, 0.35);

  --accent-purple: #8b5cf6;
  --accent-violet: #a855f7;
  --accent-magenta: #d946ef;
  --accent-pink: #ec4899;
  --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);
  --gradient-hero: linear-gradient(135deg, #1a0a2e 0%, #0d0b1a 50%, #1a0a1e 100%);
  --gradient-card: linear-gradient(135deg, rgba(139,92,246,0.06) 0%, rgba(217,70,239,0.03) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(139,92,246,0.15) 0%, transparent 70%);

  --text-primary: #f0eeff;
  --text-secondary: #a097c4;
  --text-muted: #5a5278;
  --text-accent: #a855f7;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 100px;

  --shadow-glow: 0 0 48px rgba(139,92,246,0.18);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-btn: 0 4px 20px rgba(139,92,246,0.35);

  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

/* ============================================================ Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================ Typography */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.05rem; }
p { color: var(--text-secondary); line-height: 1.75; }

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================ Layout */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-magenta);
  background: rgba(217,70,239,0.08);
  border: 1px solid rgba(217,70,239,0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}
.section-header { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-header p { margin-top: 16px; font-size: 1.1rem; }

/* ============================================================ Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(7, 8, 15, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.logo-icon {
  width: 38px; height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(139,92,246,0.08);
}
.nav-cta { display: flex; align-items: center; gap: 12px; }

/* ============================================================ Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139,92,246,0.5);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-bright);
}
.btn-secondary:hover {
  background: rgba(139,92,246,0.08);
  border-color: var(--accent-purple);
}
.btn-lg { padding: 16px 32px; font-size: 1rem; border-radius: var(--radius-md); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
}
.btn-ghost:hover { color: var(--text-primary); }

/* ============================================================ Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--border-bright);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.card:hover::before { opacity: 0.6; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.icon-purple { background: rgba(139,92,246,0.15); }
.icon-magenta { background: rgba(217,70,239,0.12); }
.icon-pink { background: rgba(236,72,153,0.12); }
.icon-violet { background: rgba(168,85,247,0.12); }
.icon-blue { background: rgba(79,159,255,0.1); }
.icon-green { background: rgba(16,185,129,0.1); }

/* ============================================================ Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ============================================================ Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 600;
}
.badge-purple { background: rgba(139,92,246,0.12); color: var(--accent-violet); border: 1px solid rgba(139,92,246,0.25); }
.badge-magenta { background: rgba(217,70,239,0.1); color: var(--accent-magenta); border: 1px solid rgba(217,70,239,0.25); }
.badge-green { background: rgba(16,185,129,0.1); color: #10b981; border: 1px solid rgba(16,185,129,0.25); }

/* ============================================================ Decorations */
.dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(139,92,246,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

/* ============================================================ Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-item {
  flex: 1;
  text-align: center;
  padding: 40px 32px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }

/* ============================================================ Waveform Animation */
.waveform { display: flex; align-items: center; gap: 3px; height: 28px; }
.waveform-bar {
  width: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: wave 1.4s ease-in-out infinite;
}
.waveform-bar:nth-child(1) { animation-delay: 0s; height: 35%; }
.waveform-bar:nth-child(2) { animation-delay: 0.12s; height: 65%; }
.waveform-bar:nth-child(3) { animation-delay: 0.24s; height: 100%; }
.waveform-bar:nth-child(4) { animation-delay: 0.36s; height: 55%; }
.waveform-bar:nth-child(5) { animation-delay: 0.48s; height: 80%; }
.waveform-bar:nth-child(6) { animation-delay: 0.60s; height: 40%; }
.waveform-bar:nth-child(7) { animation-delay: 0.72s; height: 90%; }
.waveform-bar:nth-child(8) { animation-delay: 0.84s; height: 50%; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ============================================================ Forms */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-purple);
  background: rgba(139,92,246,0.06);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.12);
}
.form-group select option { background: var(--bg-card); color: var(--text-primary); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ============================================================ Page Hero */
.page-hero {
  padding: 148px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse at top, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================ Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.9rem; margin-top: 12px; max-width: 280px; }
.footer-col h5 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.9rem; color: var(--text-secondary); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent-violet); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 0.95rem;
}
.footer-social a:hover {
  border-color: var(--accent-purple);
  color: var(--accent-violet);
  background: rgba(139,92,246,0.1);
}

/* ============================================================ CTA Section */
.cta-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%; transform: translateX(-50%);
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================ Pricing */
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.pricing-card.featured {
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow);
}
.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
}
.pricing-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.price-amount {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.price-period { font-size: 0.9rem; color: var(--text-muted); }
.price-sep { color: var(--text-muted); font-size: 1.5rem; vertical-align: top; margin-top: 8px; display: inline-block; }
.feature-list { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.feature-item .check { color: #a855f7; font-weight: 700; font-size: 1rem; flex-shrink: 0; }
.feature-item .cross { color: var(--text-muted); flex-shrink: 0; }

/* ============================================================ Integration Logos */
.integration-logo {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
  text-align: center;
}
.integration-logo:hover {
  border-color: var(--border-bright);
  color: var(--text-primary);
  background: rgba(139,92,246,0.06);
}

/* ============================================================ Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats-bar { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .cta-box { padding: 48px 24px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .grid-4 { grid-template-columns: 1fr; }
}

/* ============================================================ Utils */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.divider { height: 1px; background: var(--border); margin: 0; }