/* ============================================================================
   InSite Landing Page - Fresh Modern Design
   Clean, Professional, Dark Theme with Vibrant Accents
   ============================================================================ */

/* ============================================================================
   CSS RESET & BASE
   ============================================================================ */

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

:root {
  /* Color Palette */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #22d3ee;
  --accent-green: #22c55e;
  --accent-purple: #a855f7;
  --accent-rose: #f43f5e;
  
  /* Dark Theme Colors */
  --bg-dark: #0a0e1a;
  --bg-darker: #050810;
  --bg-card: #0f1419;
  --bg-elevated: #1a1f2e;
  --bg-hover: #1f2937;
  
  /* Text Colors */
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --text-disabled: #6b7280;
  
  /* Border & Dividers */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

/* ============================================================================
   CONTAINER
   ============================================================================ */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--border-color);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.8;
}

.nav__logo-img {
  height: 40px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

@media (max-width: 968px) {
  .nav__menu {
    display: none;
  }
  
  .nav__toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .nav__actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: var(--font-sans);
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

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

.btn--outline:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn--ghost:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

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

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

.btn--white {
  background: white;
  color: var(--bg-dark);
  border: 2px solid white;
}

.btn--white:hover {
  background: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.badge--glow {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--primary-light);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.badge--secondary {
  background: var(--bg-card);
  color: var(--secondary);
  border-color: rgba(34, 211, 238, 0.2);
}

.badge i {
  font-size: 0.875rem;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -250px;
  right: -250px;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  bottom: -200px;
  left: -200px;
  animation-delay: -5s;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: var(--accent-purple);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -30px); }
  66% { transform: translate(-20px, 20px); }
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-3xl) 0;
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero__title {
  font-size: 4rem;
  font-weight: var(--font-weight-black);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat__number {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary-light);
}

.stat__label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

.hero__visual {
  position: relative;
}

.demo-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.demo-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.demo-card__controls {
  display: flex;
  gap: var(--space-xs);
}

.demo-card__controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-hover);
}

.demo-card__controls span:nth-child(1) { background: #ff5f57; }
.demo-card__controls span:nth-child(2) { background: #febc2e; }
.demo-card__controls span:nth-child(3) { background: #28c840; }

.demo-card__title {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

.demo-card__content {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--bg-darker);
}

.demo-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.demo-card__glow {
  position: absolute;
  inset: -100px;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .hero__visual {
    order: -1;
  }
}

@media (max-width: 640px) {
  .hero__title {
    font-size: 2.25rem;
  }
  
  .hero__subtitle {
    font-size: 1.125rem;
  }
  
  .hero__cta {
    flex-direction: column;
  }
  
  .hero__stats {
    gap: var(--space-md);
  }
  
  .stat__number {
    font-size: 1.5rem;
  }
}

/* ============================================================================
   SECTION HEADERS
   ============================================================================ */

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.section-title {
  font-size: 3rem;
  font-weight: var(--font-weight-black);
  line-height: 1.2;
  margin-top: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-top: var(--space-md);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1.125rem;
  }
}

/* ============================================================================
   FEATURES SECTION
   ============================================================================ */

.features {
  padding: var(--space-3xl) 0;
  background: var(--bg-darker);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--border-color);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card--highlight {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(34, 211, 238, 0.05) 100%);
  border-color: rgba(99, 102, 241, 0.2);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.feature-card__icon--primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(79, 70, 229, 0.2) 100%);
  color: var(--primary-light);
}

.feature-card__icon--green {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(22, 163, 74, 0.2) 100%);
  color: var(--accent-green);
}

.feature-card__icon--cyan {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2) 0%, rgba(8, 145, 178, 0.2) 100%);
  color: var(--secondary);
}

.feature-card__icon--purple {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2) 0%, rgba(147, 51, 234, 0.2) 100%);
  color: var(--accent-purple);
}

.feature-card__icon--orange {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.2) 0%, rgba(234, 88, 12, 0.2) 100%);
  color: #fb923c;
}

.feature-card__icon--rose {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.2) 0%, rgba(225, 29, 72, 0.2) 100%);
  color: var(--accent-rose);
}

.feature-card__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.feature-card__description {
  color: var (--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.feature-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var (--space-xs);
}

.feature-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.feature-card__list li::before {
  content: '✓';
  color: var(--accent-green);
  font-weight: var(--font-weight-bold);
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   HOW IT WORKS SECTION
   ============================================================================ */

.how-it-works {
  padding: var(--space-3xl) 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.step {
  position: relative;
  text-align: center;
}

.step__number {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

.step__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.step__description {
  color: var(--text-secondary);
  line-height: 1.7;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
}

.step__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.step__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.step__description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1.05rem;
}

.step__features {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-md);
}

.step__tag {
  padding: 0.5rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.step__tag:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary-light);
}

/* ============================================================================
   PRICING SECTION
   ============================================================================ */

.pricing {
  padding: var(--space-3xl) 0;
  background: var(--bg-darker);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  border-color: var(--border-color);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.05) 100%);
  border-color: var(--primary);
  border-width: 2px;
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-card__badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  align-self: flex-start;
}

.pricing-card__name {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.pricing-card__description {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.pricing-card__amount {
  font-size: 3rem;
  font-weight: var(--font-weight-black);
  color: var(--text-primary);
}

.pricing-card__period {
  font-size: 1rem;
  color: var(--text-muted);
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
}

.pricing-card__features li::before {
  content: '✓';
  color: var(--accent-green);
  font-weight: var(--font-weight-bold);
  font-size: 1.125rem;
}

.pricing-card__cta {
  width: 100%;
}

.pricing-card__header {
  margin-bottom: var(--space-lg);
}

.pricing-card__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.pricing-card__amount {
  font-size: 3rem;
  font-weight: var(--font-weight-black);
  color: var(--text-primary);
}

.pricing-card__period {
  font-size: 1rem;
  color: var(--text-muted);
}

.pricing-card__description {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-card__feature svg {
  flex-shrink: 0;
  color: var(--accent-green);
}

.pricing-card__feature--disabled {
  opacity: 0.4;
}

.pricing-card__feature--disabled svg {
  color: var(--text-disabled);
}

@media (max-width: 968px) {
  .pricing-card--featured {
    transform: scale(1);
  }
  
  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

/* ============================================================================
   FAQ SECTION
   ============================================================================ */

.faq {
  padding: var(--space-3xl) 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-icon {
  transition: transform var(--transition-base);
  color: var(--text-muted);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-item.active {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(34, 211, 238, 0.03) 100%);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  gap: var(--space-md);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--text-muted);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1.05rem;
}

/* ============================================================================
   CTA SECTION
   ============================================================================ */

.cta {
  padding: var(--space-3xl) 0;
  background: var(--bg-darker);
}

.cta-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.cta-box__content {
  position: relative;
  z-index: 1;
}

.cta-box__title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.cta-box__description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-3xl);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
}

.cta__content::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

.cta__title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.cta__subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.cta__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta__note {
  font-size: 0.875rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .cta-box {
    padding: var(--space-2xl);
  }
  
  .cta-box__title {
    font-size: 2rem;
  }
  
  .cta-box__description {
    font-size: 1.125rem;
  }
  
  .cta-box__actions {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .cta__content {
    padding: var(--space-2xl);
  }
  
  .cta__title {
    font-size: 2rem;
  }
  
  .cta__subtitle {
    font-size: 1.125rem;
  }
  
  .cta__buttons {
    flex-direction: column;
  }
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
}

.footer__logo-img {
  height: 36px;
  width: auto;
}

.footer__description {
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 300px;
}

.footer__section-title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--primary-light);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

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

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--bg-hover);
  border-color: var (--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 3fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
}

.footer__logo img {
  height: 36px;
  width: auto;
}

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

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.footer__column {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__column-title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--primary-light);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copyright,
.footer__made-with {
  color: var(--text-muted);
  font-size: 0.875rem;
}

@media (max-width: 968px) {
  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 968px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer__links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer__content {
    grid-template-columns: 1fr;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .footer__links {
    grid-template-columns: 1fr;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================================
   MISSION SECTION
   ============================================================================ */

.mission {
  padding: var(--space-3xl) 0;
}

.mission__content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.mission__text {
  font-size: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.mission__highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.mission__highlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.mission__highlight-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  color: white;
  font-size: 1.5rem;
}

.mission__highlight-text {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.mission {
  padding: var(--space-3xl) 0;
}

.mission__content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.mission__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mission__description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.mission__values {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.value {
  display: flex;
  gap: var(--space-md);
  align-items: start;
}

.value__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  color: var(--primary-light);
  font-size: 1.25rem;
}

.value__content {
  flex: 1;
}

.value__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.value__description {
  color: var(--text-secondary);
  line-height: 1.7;
}

.mission__stats-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.mission-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mission-stat__value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  color: var(--text-primary);
}

.mission-stat__label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

.mission-stat__bar {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
  margin-top: var(--space-xs);
}

.mission-stat__fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease-out;
}

.mission-stat__fill--primary {
  width: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
}

.mission-stat__fill--green {
  width: 85%;
  background: linear-gradient(90deg, var(--accent-green) 0%, #4ade80 100%);
}

.mission-stat__fill--cyan {
  width: 90%;
  background: linear-gradient(90deg, var(--secondary) 0%, #22d3ee 100%);
}

.mission-stat__fill--purple {
  width: 75%;
  background: linear-gradient(90deg, var(--accent-purple) 0%, #c084fc 100%);
}

@media (max-width: 968px) {
  .mission__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* ============================================================================
   DATA SOURCES SECTION
   ============================================================================ */

.data-sources {
  padding: var(--space-3xl) 0;
  background: var(--bg-darker);
}

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

.source-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.source-card:hover {
  border-color: var(--border-color);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.source-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  border-radius: var(--radius-lg);
  font-size: 2rem;
}

.source-card__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.source-card__description {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ============================================================================
   AUTH MODAL
   ============================================================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal.active {
  display: flex;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal__content {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background: var(--bg-hover);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.auth-form__title {
  font-size: 2rem;
  font-weight: var(--font-weight-black);
  color: var(--text-primary);
}

.auth-form__subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: calc(var(--space-xs) * -1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.form-input {
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-hover);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-link {
  color: var(--primary-light);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.form-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.divider {
  position: relative;
  text-align: center;
  margin: var(--space-md) 0;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-subtle);
}

.divider span {
  position: relative;
  background: var(--bg-card);
  padding: 0 var(--space-md);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.social-auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.social-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-color);
}

.auth-switch {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-switch a {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
}

.auth-switch a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ============================================================================
   COMING SOON OVERLAY
   ============================================================================ */

.coming-soon-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 14, 26, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-lg);
}

.coming-soon-overlay.hidden {
  display: none;
}

.coming-soon-content {
  max-width: 800px;
  text-align: center;
  animation: fadeIn 0.6s ease-out;
}

.coming-soon-icon {
  font-size: 5rem;
  margin-bottom: var(--space-lg);
  animation: float 3s ease-in-out infinite;
}

.coming-soon-title {
  font-size: 3rem;
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.1em;
}

.coming-soon-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.coming-soon-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.coming-soon-feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: left;
  color: var(--text-secondary);
}

.coming-soon-feature i {
  font-size: 1.5rem;
  color: var(--primary-light);
}

.coming-soon-button,
.notify-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: 1.125rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
  margin: 0 var(--space-sm) var(--space-md);
}

.coming-soon-button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.coming-soon-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.notify-button {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.notify-button:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .coming-soon-title {
    font-size: 2rem;
  }
  
  .coming-soon-subtitle {
    font-size: 1.125rem;
  }
  
  .coming-soon-button,
  .notify-button {
    display: flex;
    width: 100%;
    margin: 0 0 var(--space-md);
  }
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ============================================================================
   SCROLLBAR
   ============================================================================ */

::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 6px;
  border: 2px solid var(--bg-darker);
}

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

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  .nav,
  .footer,
  .cta,
  .btn {
    display: none;
  }
}