/* ===== CSS VARIABLES FOR CONSISTENT THEMING ===== */
:root {
  /* Primary Colors - Professional Trading/Financial Palette */
  --primary-color: #00D9FF;
  --primary-hover: #00B8D9;
  --primary-light: #33E0FF;
  --secondary-color: #10B981;
  --accent-color: #F59E0B;
  
  /* Neutral Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --text-white: #ffffff;
  --text-dark: #0A1628;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #F8FAFB;
  --bg-dark: #0A1628;
  --bg-gradient: linear-gradient(135deg, #0A1628 0%, #1a3a52 50%, #0A1628 100%);
  
  /* Border & Shadow */
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, 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: 0.5rem;
  --spacing-sm: 0.75rem;
  --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;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

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

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
  box-sizing: border-box;
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-lg);
}

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

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }

/* ===== TYPOGRAPHY ===== */
.heading-1, .h1 {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.heading-2, .h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.heading-3, .h3 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.heading-4, .h4 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.subheading {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.lead-text {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: 1.7;
}

.body-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

.small-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-white);
}

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

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-full {
  width: 100%;
  display: block;
}

/* ===== HERO SECTION ===== */
.hero {
  background: var(--bg-gradient);
  padding: var(--spacing-4xl) 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 22, 40, 0.4);
  z-index: 1;
}

/* Hero Carousel */
.hero-carousel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1);
  filter: brightness(1);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-text {
  max-width: 900px;
}

.hero-text h1 {
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
  font-size: clamp(2.5rem, 5vw, 4rem);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-text p {
  color: rgba(255, 255, 255, 0.95);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
}

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

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.feature-card {
  background-color: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--bg-gradient);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-2xl);
  color: var(--text-white);
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
}

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

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.testimonial-card {
  background-color: var(--bg-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.testimonial-content {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  line-height: 1.7;
}

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

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-weight: 600;
}

.author-info h4 {
  margin: 0;
  font-size: var(--font-size-base);
}

.author-info p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.pricing-card {
  background-color: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  text-align: center;
}

.pricing-card.featured {
  border: 3px solid var(--primary-color);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--text-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
  transform: translateY(-5px) scale(1.05);
}

.pricing-header h3 {
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.pricing-period {
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

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

.pricing-features li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-lg);
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 600;
}

/* ===== CTA SECTION ===== */
.cta {
  background: var(--bg-gradient);
  padding: var(--spacing-4xl) 0;
  text-align: center;
  color: var(--text-white);
}

.cta h2 {
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
}

.cta p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

/* ===== NAVIGATION ===== */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  padding: 0;
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  min-height: 60px;
  flex-wrap: nowrap;
}

.navbar-brand {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.navbar-nav li {
  flex-shrink: 0;
  display: inline-block;
}

.navbar-nav a {
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  display: inline-block;
}

.navbar-nav a:hover {
  color: var(--primary-color);
}

/* Ensure buttons in navigation stay inline on desktop */
.navbar-nav .btn {
  display: inline-block;
  margin: 0;
}

/* Fix for any bootstrap conflicts - DESKTOP ONLY */
.navbar ul {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Desktop navbar layout */
@media (min-width: 769px) {
  .navbar ul {
    display: flex !important;
    flex-direction: row !important;
  }
  
  .navbar li {
    display: inline-block !important;
    float: none !important;
  }
}

/* ===== HAMBURGER MENU (MOBILE) ===== */
.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: relative;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

/* Hamburger animation when active */
.hamburger-menu.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Menu */
@media (max-width: 768px) {
  .hamburger-menu {
    display: flex !important;
  }
  
  .navbar-nav {
    position: fixed !important;
    top: 60px !important;
    right: -100% !important;
    width: 280px !important;
    max-width: 80vw !important;
    height: calc(100vh - 60px) !important;
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px) !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: var(--spacing-2xl) !important;
    gap: var(--spacing-lg) !important;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1) !important;
    transition: right var(--transition-normal) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    z-index: 999 !important;
    display: flex !important;
  }
  
  .navbar-nav.active {
    right: 0 !important;
  }
  
  .navbar-nav li {
    width: 100% !important;
    display: block !important;
    float: none !important;
  }
  
  .navbar-nav a {
    display: block !important;
    width: 100% !important;
    padding: var(--spacing-sm) 0 !important;
    font-size: var(--font-size-lg) !important;
    white-space: normal !important;
  }
  
  .navbar-nav .btn {
    width: 100% !important;
    text-align: center !important;
    margin-top: var(--spacing-xs) !important;
    display: block !important;
  }
  
  .navbar-brand {
    font-size: var(--font-size-xl) !important;
  }
}

/* Mobile menu backdrop overlay */
.mobile-menu-backdrop {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  width: 100%;
  height: calc(100vh - 60px);
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mobile-menu-backdrop.active {
  display: block;
  opacity: 1;
}

/* Ensure error UI is properly hidden */
#blazor-error-ui {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  display: none;
}

#blazor-error-ui.show {
  display: block;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
    position: relative;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: var(--font-size-4xl);
  }
  
  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    overflow-x: auto;
  }
  
  .features-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .container {
    padding: 0 var(--spacing-md);
    max-width: 100%;
  }

  .navbar-content {
    max-width: 100%;
    overflow-x: hidden;
  }

  .carousel-slide img {
    transform: scale(1);
  }
}

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

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

/* Focus styles for keyboard navigation */
.btn:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Screen reader only content */
.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;
}