:root {
  --bg-dark: #0a0b0f;
  --bg-light: #f7f9fc;
  --surface-dark: #11131a;
  --surface-light: #ffffff;
  --text-dark: #e9eaf0;
  --text-light: #0b1220;
  --muted-dark: #a0a3ad;
  --muted-light: #6b7280;
  --primary: #6aa1ff;
  --primary-dark: #4b86f5;
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Marquee */
.marquee-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(102, 126, 234, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
  height: 50px;
  display: flex;
  align-items: center;
}

.marquee-svg {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  line-height: 1;
  user-select: none;
  -webkit-user-select: none;
}

.marquee-svg text {
  fill: white;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 50px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 11, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 11, 15, 0.95);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-logo {
  font-size: 1.75rem;
}

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

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 0.6rem 1.25rem;
  border-radius: 12px;
  color: white !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(106, 161, 255, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 130px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(1400px 900px at 30% 10%, rgba(102, 126, 234, 0.15), transparent 50%),
              radial-gradient(1000px 700px at 70% 50%, rgba(118, 75, 162, 0.12), transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(106, 161, 255, 0.15);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(106, 161, 255, 0.3);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-dark), var(--muted-dark));
  -webkit-background-clip: text;
  background-clip: text;
}

.gradient-text {
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--muted-dark);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  padding: 0.875rem 1.75rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(106, 161, 255, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-dark);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--muted-dark);
  font-size: 0.9rem;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.visual-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.visual-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  color: var(--primary);
}

.visual-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.visual-platform {
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.visual-progress {
  background: rgba(255, 255, 255, 0.05);
  height: 8px;
  border-radius: 50px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #764ba2);
  width: 70%;
  border-radius: 50px;
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0%, 100% { width: 70%; }
  50% { width: 85%; }
}

/* Sections */
section {
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  background: rgba(106, 161, 255, 0.15);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(106, 161, 255, 0.3);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--muted-dark);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Features */
.features {
  background: linear-gradient(180deg, transparent, rgba(102, 126, 234, 0.05), transparent);
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(106, 161, 255, 0.4);
  box-shadow: 0 20px 40px rgba(106, 161, 255, 0.15);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon .material-symbols-rounded {
  font-size: 32px;
  color: white;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--muted-dark);
  line-height: 1.6;
}

/* Platforms */
.platforms {
  background: rgba(10, 11, 15, 0.5);
}

.platforms-container {
  max-width: 1200px;
  margin: 0 auto;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

.platform-item {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 2rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.platform-item:hover {
  transform: scale(1.05);
  border-color: rgba(106, 161, 255, 0.4);
}

.platform-icon {
  font-size: 3rem;
}

/* About */
.about-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text {
  color: var(--muted-dark);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-values {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
}

.about-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-placeholder {
  width: 400px;
  height: 400px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.image-placeholder .material-symbols-rounded {
  font-size: 120px;
  color: var(--primary);
  opacity: 0.5;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-subtitle {
  color: var(--muted-dark);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Contact */
.contact-container {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  border-color: rgba(106, 161, 255, 0.4);
  transform: translateX(5px);
}

.contact-item .material-symbols-rounded {
  color: var(--primary);
  font-size: 28px;
}

/* Footer */
.footer {
  background: rgba(10, 11, 15, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 3rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-logo {
  font-size: 2rem;
}

.footer-text {
  color: var(--muted-dark);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-links a {
  color: var(--muted-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-copy {
  color: var(--muted-dark);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .about-container {
    grid-template-columns: 1fr;
  }

  .about-image {
    display: none;
  }
}

@media (max-width: 768px) {
  .marquee-container {
    height: 40px;
  }

  .marquee-svg {
    font-size: 1.2rem;
    letter-spacing: 2px;
  }

  .navbar {
    top: 40px;
  }

  .hero {
    padding-top: 110px;
  }

  .nav-menu {
    position: fixed;
    top: 110px;
    left: 0;
    right: 0;
    background: rgba(10, 11, 15, 0.98);
    flex-direction: column;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-values {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .visual-body {
    grid-template-columns: 1fr;
  }

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