/* ==========================================================================
   ZUBOLT PUBLIC MARKETING STYLESHEET
   Aesthetics: Dark Navy, Vibrant Pink/Magenta Gradient Accents, Glassmorphism
   ========================================================================== */

:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-pink: #ec4899;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --gradient-primary: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
  --gradient-glow: radial-gradient(circle, rgba(236,72,153,0.15) 0%, rgba(11,15,25,0) 70%);

  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background-color: rgba(11, 15, 25, 0.8);
  border-bottom: 1px solid var(--bg-card-border);
  padding: 1rem 2rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  display: inline-block;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--bg-card-border);
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  display: inline-block;
  transition: background 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Announcement Banner */
.announcement-banner {
  background: var(--gradient-primary);
  color: #fff;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Main Layout Sections */
.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem auto;
  font-size: 1.1rem;
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 6rem 2rem 4rem 2rem;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

.hero-subheadline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2.5rem auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

/* Demo Cards & Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(236, 72, 153, 0.3);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-coming {
  background: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--accent-pink);
  box-shadow: 0 0 30px rgba(236, 72, 153, 0.2);
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 900;
  margin: 1rem 0;
}

.price-amount span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.feature-list {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-item {
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Founding Cohort Box */
.founding-banner {
  background: linear-gradient(135deg, rgba(236,72,153,0.1) 0%, rgba(139,92,246,0.1) 100%);
  border: 1px solid rgba(236, 72, 153, 0.3);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 3rem;
  text-align: center;
}

.slot-counter {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-pink);
  margin: 1rem 0;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--bg-card-border);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}