:root {
  --bg: #050a14;
  --panel: #121826;
  --muted: #94a3b8;
  --text: #f1f5f9;
  --brand: #4299e1;
  --brand-light: #63b3ed;
  --brand-dark: #2b6cb0;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Landing Container */
.landing-container {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* Background */
.landing-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) brightness(0.25);
  animation: none;
}

.bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 10, 20, 0.6),
    rgba(5, 10, 20, 0.7)
  );
}

/* Content */
.landing-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: clamp(24px, 5vw, 80px);
  text-align: center;
  animation: fadeIn 0.6s ease-out;
}

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

/* Logo Section */
.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(24px, 4vh, 40px);
}

.landing-logo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: none;
  animation: none;
}

.logo-text {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 700;
  font-size: clamp(24px, 2.5vw, 36px);
  letter-spacing: 0.02em;
  color: #f1f5f9;
  text-shadow: none;
  text-transform: uppercase;
}

/* Title */
.landing-title {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #f1f5f9;
  margin-bottom: clamp(16px, 3vh, 32px);
  text-shadow: none;
  max-width: 900px;
}

/* Subtitle */
.landing-subtitle {
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.6;
  font-weight: 400;
  color: var(--muted);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto clamp(24px, 4vh, 40px);
}

/* Product Flow Visual */
.product-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 24px);
  margin-bottom: clamp(40px, 6vh, 80px);
  padding: clamp(24px, 3vw, 40px);

  border-radius: 16px;
  max-width: 900px;
  flex-wrap: wrap;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.flow-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  color: #3b82f6;
  transition: all 0.2s ease;
}

.flow-step:hover .flow-icon {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
}

.flow-label {
  font-size: clamp(13px, 1.1vw, 15px);
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
}

.flow-arrow {
  font-size: clamp(20px, 2vw, 28px);
  color: rgba(148, 163, 184, 0.4);
  font-weight: 300;
  margin: 0 clamp(4px, 1vw, 8px);
}

@media (max-width: 640px) {
  .product-flow {
    flex-direction: column;
    gap: 20px;
  }
  
  .flow-arrow {
    transform: rotate(90deg);
  }
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: clamp(16px, 2vw, 24px);
  max-width: 1000px;
  width: 100%;
  margin-bottom: clamp(32px, 5vh, 60px);
}

.feature-card {
  background: rgba(18, 24, 38, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(66, 153, 225, 0.1);
  border-radius: 16px;
  padding: clamp(20px, 3vw, 32px);
  transition: border-color 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(66, 153, 225, 0.3);
}

.feature-icon {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: clamp(16px, 1.3vw, 20px);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 400;
  color: var(--muted);
  opacity: 0.85;
  line-height: 1.5;
}

/* CTA Button */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: clamp(15px, 1.2vw, 17px);
  font-weight: 500;
  color: #ffffff;
  background: #3b82f6;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease;
  box-shadow: none;
  position: relative;
  overflow: hidden;
}

.cta-button:hover {
  background: #2563eb;
}

.cta-button:active {
  background: #1d4ed8;
}

.cta-button svg {
  transition: transform 0.2s ease;
}

.cta-button:hover svg {
  transform: translateX(3px);
}

/* Footer */
.landing-footer {
  margin-top: clamp(32px, 5vh, 60px);
}

.landing-footer p {
  font-size: clamp(12px, 1vw, 14px);
  font-weight: 400;
  color: rgba(148, 163, 184, 0.6);
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .landing-title {
    max-width: 90%;
  }
}

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