/* ==========================================================================
   OutreachPulse API - Landing Page Stylesheet
   Theme: Modern B2B SaaS (Dark Glassmorphism, Purple & Emerald Accents)
   ========================================================================== */

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(17, 24, 39, 0.65);
  --bg-card-hover: rgba(26, 35, 57, 0.75);
  --bg-code: #030712;
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-bright: rgba(139, 92, 246, 0.3);
  
  --accent-purple: #8b5cf6;
  --accent-purple-light: #a78bfa;
  --accent-purple-glow: rgba(139, 92, 246, 0.35);
  --accent-emerald: #10b981;
  --accent-emerald-light: #34d399;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-cyan: #38bdf8;
  --accent-pink: #d946ef;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', 'JetBrains Mono', Consolas, monospace;
  
  --max-width: 1200px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 20% 60%, rgba(217, 70, 239, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

a {
  color: var(--accent-purple-light);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #c084fc 0%, #8b5cf6 50%, #d946ef 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-emerald {
  background: linear-gradient(135deg, #6ee7b7 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: 0 15px 35px -10px rgba(139, 92, 246, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-purple-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.5);
  background: linear-gradient(135deg, #9333ea 0%, #6d28d9 100%);
  color: #ffffff;
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-emerald-glow);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-main);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 12px;
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: var(--transition);
  background: rgba(9, 13, 22, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.logo-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 8px var(--accent-purple));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 5rem;
  font-size: 0.95rem;
}

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

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 50px;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent-purple-light);
  margin-bottom: 1.5rem;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald-light);
}

/* Hero Section */
.hero {
  padding-top: 10rem;
  padding-bottom: 5rem;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero p.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

/* Trust / Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: rgba(17, 24, 39, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  margin-top: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Code Sandbox Section */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem auto;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.sandbox-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.sandbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  flex-wrap: wrap;
  gap: 1rem;
}

.tab-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.tab-btn {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--accent-purple);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
}

.endpoint-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-window {
  background: var(--bg-code);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.mac-window-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.copy-btn {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

pre {
  padding: 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  color: #e2e8f0;
}

/* Syntax Highlighting */
.code-keyword { color: #f472b6; font-weight: 600; }
.code-string { color: #34d399; }
.code-method { color: #38bdf8; }
.code-prop { color: #a78bfa; }
.code-number { color: #fbbf24; }
.code-comment { color: #64748b; font-style: italic; }

/* AI Playground Section */
.playground-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .playground-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(3, 7, 18, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.playground-output-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.latency-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--accent-emerald-light);
  font-weight: 600;
  font-family: var(--font-mono);
}

.output-card {
  background: rgba(3, 7, 18, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.output-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 1rem;
}

.output-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.output-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--accent-purple-light);
  margin-bottom: 0.3rem;
  display: block;
}

.output-text {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.6;
}

.output-text-highlight {
  color: #34d399;
  font-weight: 500;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2rem;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Pricing Section */
.pricing-container {
  max-width: 500px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  padding: 3rem 2.5rem;
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 20px 50px -10px rgba(139, 92, 246, 0.25);
  background: linear-gradient(180deg, rgba(23, 15, 38, 0.8) 0%, rgba(15, 23, 42, 0.8) 100%);
  text-align: center;
}

.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #8b5cf6, #d946ef);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 1.2rem;
  border-radius: 50px;
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.price-display {
  margin: 1.5rem 0 2rem 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.price-currency {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  color: var(--text-muted);
  font-size: 1rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 2.5rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  color: var(--text-main);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.check-icon {
  color: var(--accent-emerald);
  font-weight: 800;
  font-size: 1.1rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 4rem 0 2rem 0;
  background: rgba(3, 7, 18, 0.8);
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #0f172a;
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  transform: translateY(20px);
  transition: transform 0.3s ease;
  position: relative;
  text-align: center;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Pulse Loading Animation */
@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4); }
  70% { box-shadow: 0 0 0 12px rgba(139, 92, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
}

.pulse-anim {
  animation: pulseGlow 2s infinite;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .hero {
    padding-top: 8rem;
  }
  
  .nav-links {
    display: none; /* Mobile menu can be simplified or hidden for CTA focused flow */
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }
}