/* ============================================
   DominIA Academy - Landing Page VSL
   Premium Dark Theme Styles
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
  /* Colors */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-tertiary: #1a1a1a;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-bg-card-hover: rgba(255, 255, 255, 0.06);
  
  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-glow: rgba(59, 130, 246, 0.3);
  
  --color-success: #22c55e;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  
  /* Gradients */
  --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(59,130,246,0.15) 0%, transparent 70%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

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

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
  50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.5); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(59, 130, 246, 0.5);
}

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

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: var(--font-size-xl);
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--container-padding);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: 0;
}

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

.hero-logo {
  margin-bottom: var(--spacing-2xl);
}

.hero-logo img {
  height: 60px;
  margin: 0 auto;
  opacity: 0.9;
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, var(--font-size-xl));
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  line-height: 1.7;
}

.hero-cta {
  margin-bottom: var(--spacing-lg);
}

.hero-microcopy {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.hero-microcopy span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.hero-microcopy span::before {
  content: '•';
  color: var(--color-accent);
}

.hero-microcopy span:first-child::before {
  display: none;
}

/* ============================================
   SOCIAL PROOF SECTION
   ============================================ */
.social-proof {
  background: var(--color-bg-secondary);
  position: relative;
}

.social-proof::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, var(--font-size-3xl));
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  letter-spacing: -0.01em;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.proof-card {
  padding: var(--spacing-xl);
}

.proof-card-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.proof-card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.proof-card-desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================
   CONVERSION BLOCK SECTION
   ============================================ */
.conversion-block {
  background: var(--color-bg-primary);
}

.conversion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

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

.conversion-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
}

.feature-list {
  list-style: none;
  margin-bottom: var(--spacing-2xl);
}

.feature-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
}

.feature-item:hover {
  background: var(--color-bg-card);
}

.feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  font-size: var(--font-size-sm);
}

.feature-text h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.feature-text p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.bonus-section h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.bonus-list {
  list-style: none;
}

.bonus-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.bonus-item .emoji {
  font-size: var(--font-size-lg);
}

/* Form Styles */
.conversion-form-wrapper {
  position: sticky;
  top: var(--spacing-xl);
}

.form-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  backdrop-filter: blur(20px);
}

.form-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.form-card .form-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.form-group input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-group .optional {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 400;
}

.form-submit {
  width: 100%;
  margin-top: var(--spacing-lg);
}

.form-legal {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.form-legal svg {
  width: 14px;
  height: 14px;
}

/* ============================================
   TECH STRIP SECTION
   ============================================ */
.tech-strip {
  background: var(--color-bg-secondary);
  padding: var(--spacing-3xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.tech-strip-title {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xl);
}

.tech-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-2xl);
  opacity: 0.5;
}

.tech-logo {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  transition: opacity var(--transition-fast);
}

.tech-logo:hover {
  opacity: 1;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta {
  background: var(--color-bg-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200%;
  height: 100%;
  background: radial-gradient(ellipse at bottom center, rgba(59,130,246,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.final-cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.final-cta h2 {
  font-size: clamp(1.5rem, 4vw, var(--font-size-4xl));
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.final-cta .subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta .btn {
  margin-bottom: var(--spacing-2xl);
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2xl);
}

.metric {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.metric .emoji {
  font-size: var(--font-size-lg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer-logo img {
  height: 40px;
  opacity: 0.7;
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer-links span {
  color: var(--color-border);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) var(--container-padding);
  }
  
  .hero-logo img {
    height: 50px;
  }
  
  .proof-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
  }
}

/* ============================================
   SCROLL ANIMATIONS - Observer Based
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Form Success/Error States */
.form-group.error input {
  border-color: #ef4444;
}

.form-group .error-message {
  color: #ef4444;
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
}

.form-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
}

.form-success h4 {
  color: var(--color-success);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.form-success p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}