/* =============================================
   Xbox Purchase Program - Modern Theme
   ============================================= */

/* CSS Custom Properties */
:root {
  --color-bg: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.08);
  --color-surface: #1a1a2e;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-primary: #107C10;
  --color-primary-light: #1db91d;
  --color-primary-dark: #0b5a0b;
  --color-accent: #00c3ff;
  --color-telegram: #0088cc;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(16, 124, 16, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Utility */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* =============================================
   Navigation
   ============================================= */
.fixed-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}

.fixed-nav.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.nav-brand a {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand svg {
  width: 28px;
  height: 28px;
}

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

.nav-menu > a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-menu > a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-primary-light);
  transition: width var(--transition);
}

.nav-menu > a:hover {
  color: var(--color-text);
}

.nav-menu > a:hover::after {
  width: 100%;
}

/* Hamburger Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Language Selector */
.language-selector {
  position: relative;
}

.language-selector select {
  appearance: none;
  -webkit-appearance: none;
  padding: 8px 32px 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: var(--transition);
}

.language-selector select:hover {
  border-color: var(--color-primary);
}

.language-selector::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--color-text-secondary);
  pointer-events: none;
}

/* =============================================
   Fixed Contact Buttons
   ============================================= */
.fixed-contact {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  position: relative;
}

.contact-btn.telegram {
  background: var(--color-telegram);
  color: #fff;
}

.contact-btn:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-lg);
}

.contact-btn svg {
  width: 24px;
  height: 24px;
}

/* =============================================
   Hero Section
   ============================================= */
main {
  margin-top: var(--nav-height);
}

.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 60px 0;
}

/* Animated gradient mesh background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(16, 124, 16, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(0, 195, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 0%, rgba(16, 124, 16, 0.1) 0%, transparent 50%);
  animation: meshFloat 12s ease-in-out infinite alternate;
}

@keyframes meshFloat {
  0% { opacity: 0.8; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}

/* Grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(16, 124, 16, 0.12);
  border: 1px solid rgba(16, 124, 16, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--color-primary-light);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-primary-light);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, #ccc 50%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.hero-feature-item:hover {
  border-color: var(--color-primary);
  background: rgba(16, 124, 16, 0.06);
}

.hero-feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(16, 124, 16, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16, 124, 16, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-card);
  border-color: var(--color-text-muted);
  transform: translateY(-2px);
}

/* =============================================
   Section Common
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: #fff;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* =============================================
   Features Section
   ============================================= */
.features {
  padding: 120px 0;
  position: relative;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  background: var(--color-bg-card-hover);
  border-color: rgba(16, 124, 16, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(16, 124, 16, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary-light);
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #fff;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* =============================================
   Stats / Trust Section
   ============================================= */
.stats {
  padding: 80px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary-light);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-item p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* =============================================
   Demo Section
   ============================================= */
.demo {
  padding: 120px 0;
  position: relative;
}

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

.video-container {
  max-width: 860px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background: #000;
}

.video-container video {
  width: 100%;
  height: auto;
  display: block;
}

/* Mobile screen recording - narrower container */
.video-container.video-mobile {
  max-width: 380px;
  border-radius: var(--radius-lg);
}

.demo-highlights {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.demo-highlights h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: #fff;
}

.demo-highlights li {
  padding: 6px 0;
  padding-left: 24px;
  color: var(--color-text-secondary);
  position: relative;
  font-size: 0.95rem;
}

.demo-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

/* =============================================
   FAQ Section (SEO boost)
   ============================================= */
.faq {
  padding: 120px 0;
  position: relative;
}

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

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item:hover {
  border-color: rgba(16, 124, 16, 0.2);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question::after {
  content: '−';
  color: var(--color-primary-light);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
  overflow: hidden;
}

.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
  padding: 0 24px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  transition: padding 0.3s ease;
}

.faq-item.active .faq-answer-inner {
  padding: 0 24px 20px;
}

/* =============================================
   Cross Promo Banner
   ============================================= */
.cross-promo {
  padding: 80px 0;
  position: relative;
}

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

.promo-card {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 48px;
  background: linear-gradient(135deg, rgba(16, 124, 16, 0.08) 0%, rgba(0, 195, 255, 0.05) 100%);
  border: 1px solid rgba(16, 124, 16, 0.2);
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.promo-card:hover {
  border-color: rgba(16, 124, 16, 0.4);
  box-shadow: var(--shadow-glow);
}

.promo-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: rgba(16, 124, 16, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-light);
}

.promo-icon svg {
  width: 36px;
  height: 36px;
}

.promo-body {
  flex: 1;
}

.promo-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.promo-body p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.promo-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.promo-link:hover {
  gap: 10px;
}

.promo-link svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .promo-card {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
    gap: 24px;
  }
}

/* =============================================
   Contact Section
   ============================================= */
.contact {
  padding: 120px 0;
  position: relative;
}

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

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.contact-method:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.12);
}

.contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon.telegram {
  background: var(--color-telegram);
  color: #fff;
}

.contact-icon svg {
  width: 28px;
  height: 28px;
}

.contact-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.contact-info p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* =============================================
   Footer
   ============================================= */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 64px 0 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: #fff;
}

.footer-section p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-section li {
  margin-bottom: 10px;
}

.footer-section a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* =============================================
   Animations
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: auto;
  }

  .nav-container {
    flex-wrap: wrap;
    padding: 12px 20px;
    gap: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
    border-top: 1px solid var(--color-border);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu > a {
    padding: 10px 0;
    width: 100%;
  }

  .nav-menu > a::after {
    display: none;
  }

  main {
    margin-top: 56px;
  }

  .hero {
    padding: 40px 0;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .features, .demo, .faq, .contact {
    padding: 80px 0;
  }

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

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

  .contact-methods {
    grid-template-columns: 1fr;
  }

  .fixed-contact {
    right: 12px;
    top: auto;
    bottom: 20px;
    transform: none;
    flex-direction: row;
  }

  .contact-btn {
    width: 46px;
    height: 46px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .feature-card {
    padding: 24px;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .contact-method {
    padding: 20px;
  }
}

/* =============================================
   Print
   ============================================= */
@media print {
  .fixed-nav, .fixed-contact { display: none; }
  body { color: #000; background: #fff; }
}