/* SIXEDGE — supplemental styling layered on top of Tailwind CDN */

:root {
  color-scheme: dark;
}

html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle blueprint grid behind everything */
.grid-overlay {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

/* Animated gradient wordmark for the hero */
.hero-gradient {
  background-image: linear-gradient(
    100deg,
    #ffffff 10%,
    #a5b4fc 30%,
    #ffffff 50%,
    #7dd3fc 70%,
    #ffffff 90%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-inline: 0.05em;
}

/* Feature cards */
.feature-card {
  position: relative;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.045),
    rgba(255, 255, 255, 0.012)
  );
  padding: 1.5rem;
  overflow: hidden;
  transition:
    border-color 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  opacity: 0;
  transition: opacity 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.8);
}

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

.feature-icon {
  display: inline-flex;
  height: 2.5rem;
  width: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.625rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: #e5e7eb;
  transition:
    background 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease;
}

.feature-icon svg {
  height: 1.125rem;
  width: 1.125rem;
}

.feature-card:hover .feature-icon {
  border-color: rgba(165, 180, 252, 0.35);
  background: rgba(99, 102, 241, 0.15);
  color: #c7d2fe;
}

.feature-title {
  margin-top: 1.125rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature-body {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: hsl(240 5% 64.9%);
}

/* Scrollbar polish */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
  border: 3px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.22);
  background-clip: content-box;
}

/* Respect reduced motion */
@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;
  }
}