/* ================================================
   ZEDTEQ.COM - DESIGN SYSTEM
   AI-Native Software Factory
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@700;800&display=swap');

/* ================================================
   CSS VARIABLES - DESIGN TOKENS
   ================================================ */
:root {
  /* Colors - Dark Mode Palette */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #0f1420;
  --color-bg-tertiary: #1a1f2e;

  /* Neon Accents */
  --color-accent-cyan: #00d9ff;
  --color-accent-purple: #b24bf3;
  --color-accent-pink: #ff3366;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
  --gradient-secondary: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-pink));

  /* Text */
  --color-text-primary: #ffffff;
  --color-text-secondary: #b8c1d9;
  --color-text-muted: #6b7280;

  /* Glass Effects */
  --glass-bg: rgba(26, 31, 46, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(12px);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ================================================
   RESET & BASE STYLES
   ================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* ================================================
   TYPOGRAPHY
   ================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* ================================================
   LAYOUT UTILITIES
   ================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* ================================================
   GLASSMORPHISM COMPONENTS
   ================================================ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 8px 32px rgba(0, 217, 255, 0.2);
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

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

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

/* ================================================
   BUTTONS
   ================================================ */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-family: var(--font-primary);
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--glass-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent-cyan);
  background: var(--glass-bg);
}

/* ================================================
   DIAMOND MODEL VISUALIZATION
   ================================================ */
.diamond-model {
  max-width: 800px;
  margin: var(--space-2xl) auto;
  padding: var(--space-2xl);
}

.diamond-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.diamond-node {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
}

.diamond-node:hover {
  border-color: var(--color-accent-purple);
  transform: scale(1.05);
}

.diamond-node h3 {
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.diamond-node p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

/* ================================================
   PRICING TABLE
   ================================================ */
.pricing-section {
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.pricing-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-header {
  min-height: 160px;
}

.pricing-card.featured {
  border-color: var(--color-accent-cyan);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(178, 75, 243, 0.05));
}

.pricing-card.elite {
  border-color: #d4af37;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(178, 75, 243, 0.05));
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);

}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent-cyan);
}

.pricing-card.elite:hover {
  border-color: #d4af37;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
}

.pricing-tier {
  font-size: 0.9rem;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  margin: var(--space-sm) 0;
}

.pricing-price span {
  font-size: 1.2rem;
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  margin: var(--space-lg) 0;
  text-align: left;
}

.pricing-features li {
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

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

.pricing-features li::before {
  content: '✓ ';
  color: var(--color-accent-cyan);
  font-weight: bold;
  margin-right: var(--space-xs);
}

/* Force button to bottom of card */
.pricing-card .btn {
  margin-top: auto;
}

/* Elite VC Button */
.btn-elite {
  background: linear-gradient(135deg, #b24bf3, #d4af37);
  color: white;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.btn-elite:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.5);
}

/* ================================================
   STICKY NAVIGATION
   ================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: var(--space-lg);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 2px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--color-accent-cyan);
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 768px) {
  .diamond-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 80vh;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .nav-links {
    display: none;
  }

  .nav-inner {
    justify-content: space-between;
  }
}

/* ================================================
   ANIMATIONS & MICRO-INTERACTIONS
   ================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.8s ease forwards;
}

/* Stagger animation delays for elements */
.animate-in:nth-child(1) {
  animation-delay: 0.1s;
}

.animate-in:nth-child(2) {
  animation-delay: 0.2s;
}

.animate-in:nth-child(3) {
  animation-delay: 0.3s;
}

.animate-in:nth-child(4) {
  animation-delay: 0.4s;
}

/* ================================================
   UTILITY CLASSES
   ================================================ */
.text-center {
  text-align: center;
}

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

.text-secondary {
  color: var(--color-text-secondary);
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.max-w-600 {
  max-width: 600px;
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.w-full {
  width: 100%;
}

.mt-lg {
  margin-top: var(--space-lg);
}

/* Ventures Section */
.ventures-section {
  background: var(--color-bg-secondary);
}

.ventures-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

@media (max-width: 768px) {
  .ventures-grid {
    grid-template-columns: 1fr;
  }
}

.venture-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
}

.venture-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 8px 32px rgba(0, 217, 255, 0.15);
}

.venture-status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.venture-status.active {
  background: rgba(0, 217, 255, 0.2);
  color: var(--color-accent-cyan);
}

.venture-status.live {
  background: rgba(0, 217, 255, 0.25);
  color: #00d9ff;
  border: 1px solid rgba(0, 217, 255, 0.45);
  box-shadow: 0 0 8px rgba(0, 217, 255, 0.2);
}

.venture-status.pilot {
  background: rgba(178, 75, 243, 0.2);
  color: var(--color-accent-purple);
}

.venture-status.stealth {
  background: rgba(107, 114, 128, 0.2);
  color: var(--color-text-muted);
}

.venture-status.building {
  background: rgba(255, 159, 67, 0.2);
  color: #ff9f43;
}

.venture-card h3 {
  color: var(--color-text-primary);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.venture-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

.beast-tag {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-accent-purple);
  opacity: 0.75;
}

/* ================================================
   COMPLIANCE SECTION
   ================================================ */
.compliance-section {
  background: var(--color-bg-primary);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.compliance-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.compliance-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 217, 255, 0.1);
}

.compliance-icon {
  font-size: 2rem;
  line-height: 1;
}

.compliance-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.compliance-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

/* Footer styles */
footer {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-top: 1px solid var(--glass-border);
  margin-top: var(--space-2xl);
  background: var(--color-bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-md);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent-cyan);
}

.footer-brand .footer-copyright {
  font-size: 0.9rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.footer-brand .footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-social a:hover {
  color: var(--color-accent-cyan);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   HOW IT WORKS SECTION
   ================================================ */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.how-it-works-step {
  text-align: center;
  padding: var(--space-xl);
}

.step-number {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-md);
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-display);
}

.how-it-works-step h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.how-it-works-step p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* ================================================
   FAQ SECTION
   ================================================ */
.faq-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-accent-cyan);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-accent-cyan);
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin-top: var(--space-md);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Icon Styles */
.icon-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
  margin: 0 auto;
  border-radius: 50%;
  background: rgba(0, 217, 255, 0.05);
  transition: all var(--transition-base);
}

.diamond-node:hover .icon-wrapper {
  background: rgba(0, 217, 255, 0.15);
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

.btn svg {
  margin-left: 0.5rem;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(4px);
}