/* ==========================================
   CSS Design Tokens & Core Root Settings
   ========================================== */
:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Harmonious Color Palette */
  --bg-darkest: #070A13;
  --bg-dark: #0B1120;
  --bg-card: #0F172A;
  --bg-card-hover: #1E293B;
  
  --color-primary: #0ea5e9;
  --color-primary-glow: rgba(14, 165, 233, 0.15);
  --color-secondary: #2D5D94;
  --color-secondary-glow: rgba(45, 93, 148, 0.2);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dark: #64748B;
  
  --border-light: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(14, 165, 233, 0.25);
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* ==========================================
   Global Reset & Base Layout Rules
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-darkest);
  font-family: var(--font-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography elements */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

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

code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.4rem;
  border-radius: 0.4rem;
  font-family: monospace;
  font-size: 0.9em;
  color: var(--color-primary);
}

/* ==========================================
   Interactive Buttons System
   ========================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 1rem 2rem;
  border-radius: 1.25rem;
  text-decoration: none;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 1rem 2rem;
  border-radius: 1.25rem;
  text-decoration: none;
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
}

/* ==========================================
   Navigation Bar (Floating Glassmorphism)
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 10, 19, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-icon {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-primary);
  filter: drop-shadow(0 0 6px rgba(14, 165, 233, 0.4));
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  text-transform: lowercase;
  letter-spacing: -0.04em;
  color: var(--text-main);
}

.btn-nav {
  padding: 0.75rem 1.5rem;
  border-radius: 1rem;
}

/* ==========================================
   Hero Section with Neon Background Glow
   ========================================== */
.hero-section {
  position: relative;
  padding: 10rem 0 6rem 0;
  background: radial-gradient(circle at 50% 0%, var(--bg-dark), var(--bg-darkest));
  overflow: hidden;
}

.glow-bg {
  position: absolute;
  top: -10%;
  left: 30%;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 60%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-block;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  padding: 0.35rem 0.85rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), #38bdf8, #818cf8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.cta-group {
  display: flex;
  gap: 1rem;
}

/* Hero visual preview */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 100%;
  max-width: 320px;
  background: #0f172a;
  border-radius: 3rem;
  padding: 0.5rem;
  border: 8px solid #1e293b;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(14, 165, 233, 0.15);
  transform: rotate(2deg);
  transition: var(--transition-smooth);
}

.phone-frame:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.9), 0 0 50px rgba(14, 165, 233, 0.25);
}

.phone-preview {
  width: 100%;
  border-radius: 2.5rem;
  display: block;
  object-fit: cover;
}

/* ==========================================
   Pain Points Grid (Comparison Layout)
   ========================================== */
.pain-points-section {
  padding: 6rem 0;
  background: var(--bg-darkest);
}

.section-header {
  margin-bottom: 4rem;
}

.badge-sub {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

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

.pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 2rem;
  padding: 3rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.pain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.1);
}

.card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.old-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.check-icon {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.pain-card h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.comparison-list li::before {
  content: "•";
  color: var(--text-dark);
  font-weight: bold;
  font-size: 1.25rem;
  line-height: 1;
}

.onyva-way {
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.05);
}

.onyva-way .comparison-list li::before {
  content: "✓";
  color: var(--color-primary);
  font-size: 0.9rem;
}

.onyva-way .comparison-list li {
  color: var(--text-main);
}

/* ==========================================
   Elite Features Grid
   ========================================== */
.features-section {
  padding: 6rem 0;
  background: radial-gradient(circle at 10% 80%, var(--bg-dark), var(--bg-darkest));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 2rem;
  padding: 2.5rem;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(14, 165, 233, 0.2);
}

.f-icon {
  width: 3rem;
  height: 3rem;
  background: rgba(14, 165, 233, 0.06);
  border: 1px solid rgba(14, 165, 233, 0.15);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  padding: 0.65rem;
}

.f-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================
   Premium Pricing Grid & Plan Cards
   ========================================== */
.pricing-section {
  padding: 6rem 0;
  background: var(--bg-darkest);
}

.pricing-card {
  max-width: 680px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--bg-card), #080D1A);
  border: 2px solid var(--border-glow);
  border-radius: 2.5rem;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(14, 165, 233, 0.08);
}

.pricing-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  padding: 0.4rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.pricing-card h3 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.price-block {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  padding: 0.75rem 2rem;
  border-radius: 1.5rem;
}

.price {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: white;
  line-height: 1;
}

.setup {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  line-height: 1;
}

.plus {
  font-size: 2rem;
  color: var(--text-dark);
  font-weight: bold;
}

.recurring {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}

.recurring .mo {
  font-size: 1.25rem;
  color: var(--text-muted);
  font-weight: 600;
}

.pricing-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-light), transparent);
  margin-bottom: 2.5rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  max-width: 480px;
  margin: 0 auto 3rem auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
}

.pricing-features li::before {
  content: "✦";
  color: var(--color-primary);
  font-size: 1.1rem;
}

.btn-pricing {
  width: 100%;
  max-width: 360px;
  padding: 1.25rem;
}

/* ==========================================
   Universal Footer Styling
   ========================================== */
.footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border-light);
  padding: 4rem 0;
}

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

.footer-tag {
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.footer-meta {
  text-align: right;
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* ==========================================
   Responsive Breakpoints & Adaptability
   ========================================== */
@media (max-width: 968px) {
  h1 { font-size: 2.75rem !important; }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-lead {
    margin: 0 auto 2.5rem auto;
  }
  
  .cta-group {
    justify-content: center;
  }
  
  .pain-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-meta {
    text-align: center;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1.25rem;
  }
  
  h1 { font-size: 2.25rem !important; }
  h2 { font-size: 1.85rem !important; }
  
  .price-block {
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
  }
  
  .setup {
    writing-mode: horizontal-tb;
    transform: rotate(0deg);
  }
  
  .plus {
    display: none;
  }
  
  .pricing-card {
    padding: 3rem 1.5rem;
  }
  
  .cta-group {
    flex-direction: column;
    gap: 0.75rem;
  }
}