/* Critical CSS for Above-the-Fold Content */
:root {
  --primary-black: #000000;
  --mint-vapor-green: #8BF1D1;
  --chrome-silver: #D1D5D7;
  --dark-gray: #0a0a0a;
  --light-gray: #f5f5f5;
  --white: #ffffff;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--white);
  background-color: var(--primary-black);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.1;
}

h2 {
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.2;
  margin-bottom: 2rem;
}

h3 {
  font-size: clamp(20px, 3vw, 24px);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

p {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Age Verification Gate */
.age-gate-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--primary-black);
  padding: 1rem 0;
  z-index: 1000;
}

/* Hero Section */
.hero-section {
  height: 100vh;
  background: linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #000000 100%);
  background-size: 200% 200%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.hero-headline {
  font-size: clamp(28px, 5vw, 48px);
  margin-bottom: 1rem;
  color: var(--white);
  text-shadow: 0 2px 20px rgba(139, 241, 209, 0.3);
}

.cta-button {
  background: linear-gradient(135deg, #8BF1D1 0%, #6DD4B5 100%);
  color: var(--primary-black);
  border: none;
  padding: 16px 32px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px rgba(139, 241, 209, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.cta-button:hover::after {
  width: 300px;
  height: 300px;
}

/* Mobile Sticky CTA Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--primary-black);
  border-top: 2px solid var(--mint-vapor-green);
  display: flex;
  z-index: 1000;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: flex;
  }
  
  .hero-headline {
    font-size: clamp(24px, 6vw, 32px);
  }
  
  h2 {
    font-size: clamp(20px, 5vw, 28px);
  }
  
  p {
    font-size: clamp(14px, 2vw, 16px);
  }
}

/* Accessibility & Focus */
a:focus,
button:focus,
input:focus {
  outline: 2px solid var(--mint-vapor-green);
  outline-offset: 2px;
}