/* =====================================================
   OPERA GX PRELANDER - GAMING STYLE
   Aesthetic: Dark, Neon, Cyberpunk, Futuristic
   ===================================================== */

/* CSS Variables - Opera GX Theme */
:root {
  /* Primary Colors - Neon Magenta/Red */
  --color-primary: #fa1e4e;
  --color-primary-glow: #ff2d5a;
  --color-primary-dark: #c4163d;
  
  /* Secondary - Cyan/Teal accent */
  --color-secondary: #00f0ff;
  --color-secondary-glow: #00d4ff;
  
  /* Background - Deep dark tones */
  --color-bg-primary: #0d0d0f;
  --color-bg-secondary: #131316;
  --color-bg-tertiary: #1a1a1f;
  --color-bg-card: #16161a;
  --color-bg-card-hover: #1e1e24;
  
  /* Text */
  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0a8;
  --color-text-muted: #6b6b75;
  
  /* Borders & Accents */
  --color-border: #2a2a32;
  --color-border-glow: rgba(250, 30, 78, 0.3);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #fa1e4e 0%, #ff6b35 100%);
  --gradient-glow: linear-gradient(135deg, rgba(250, 30, 78, 0.4) 0%, rgba(255, 107, 53, 0.2) 100%);
  --gradient-bg: linear-gradient(180deg, #0d0d0f 0%, #131316 50%, #1a1a1f 100%);
  
  /* Shadows & Glows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(250, 30, 78, 0.3);
  --shadow-glow-strong: 0 0 60px rgba(250, 30, 78, 0.5);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-display: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  background-image: var(--gradient-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(ellipse at 20% 20%, rgba(250, 30, 78, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 15, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
  height: 32px;
  width: auto;
}

.logo-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.938rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-primary:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

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

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
  }
}

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

@media (min-width: 768px) {
  .hero-content {
    text-align: left;
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, #ffffff 0%, #fa1e4e 50%, #ff6b35 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(250, 30, 78, 0.3);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 540px;
}

@media (min-width: 768px) {
  .hero-subtitle {
    margin-left: 0;
    margin-right: auto;
  }
}

.hero-subtitle strong {
  color: var(--color-primary);
  font-weight: 600;
}

.hero-bullets {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.hero-bullets li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.hero-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.hero-note {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  font-size: 0.813rem;
  color: var(--color-text-muted);
  padding: var(--spacing-sm);
  background: rgba(250, 30, 78, 0.05);
  border: 1px solid rgba(250, 30, 78, 0.1);
  border-radius: var(--radius-md);
  text-align: left;
}

.note-icon {
  flex-shrink: 0;
}

/* Hero Image */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  order: -1;
}

@media (min-width: 768px) {
  .hero-image {
    order: 1;
  }
}

.hero-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(250, 30, 78, 0.2) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
}

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

/* =====================================================
   CTA SECTION (Middle)
   ===================================================== */
.cta-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: linear-gradient(180deg, transparent 0%, rgba(250, 30, 78, 0.05) 50%, transparent 100%);
}

.cta-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.cta-subtext {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* =====================================================
   SECTIONS COMMON
   ===================================================== */
section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-primary);
}

.section-text {
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

/* =====================================================
   DISCOVER SECTION - Cards
   ===================================================== */
.discover {
  background: var(--color-bg-secondary);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.card-text {
  font-size: 0.938rem;
  color: var(--color-text-secondary);
}

/* =====================================================
   WHY IT WORKS SECTION
   ===================================================== */
.why-works {
  background: var(--color-bg-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 500px;
  margin: 0 auto var(--spacing-lg);
}

.stat {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.stat::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* =====================================================
   TESTIMONIALS SECTION
   ===================================================== */
.testimonials {
  background: var(--color-bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-md);
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 0.938rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-sm);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.author-avatar {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text-primary);
}

.testimonial-author cite {
  font-style: normal;
  font-weight: 500;
  color: var(--color-text-primary);
}

.testimonials-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-lg);
  font-style: italic;
}

/* =====================================================
   FAQ SECTION
   ===================================================== */
.faq {
  background: var(--color-bg-primary);
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  background: var(--color-bg-card);
  transition: border-color var(--transition-base);
}

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

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-question {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-fast);
}

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

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

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

.faq-question:hover {
  background: var(--color-bg-card-hover);
}

.faq-question:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.938rem;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--color-bg-tertiary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
}

.footer .btn {
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-link {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: var(--spacing-xs);
  font-family: var(--font-sans);
}

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

.footer-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-sm);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* =====================================================
   SCROLL CTA
   ===================================================== */
.scroll-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(13, 13, 15, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
  z-index: 999;
  transform: translateY(100%);
  opacity: 0;
  transition: all var(--transition-base);
}

.scroll-cta.visible {
  transform: translateY(0);
  opacity: 1;
}

/* =====================================================
   MODALS
   ===================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--spacing-lg);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal.open .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-primary);
}

.modal-close:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.modal-body p {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
  margin-bottom: var(--spacing-sm);
}

.modal-body p:last-child {
  margin-bottom: 0;
}

/* =====================================================
   UTILITIES
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

/* Selection */
::selection {
  background: var(--color-primary);
  color: var(--color-text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}