/* StackKit — Custom Styles */

/* ==================== Base ==================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

::selection {
  background: rgba(0, 255, 65, 0.2);
  color: #00ff41;
}

/* ==================== Scrollbar ==================== */

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #0f0f0f;
}
::-webkit-scrollbar-thumb {
  background: #2a2a2a;
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: #00ff41;
}

/* ==================== Nav blur ==================== */

.nav-blur {
  background: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ==================== Hero ==================== */

.radial-fade {
  background: radial-gradient(ellipse 60% 50% at 50% 50%, transparent 0%, #0f0f0f 80%);
  pointer-events: none;
}

/* ==================== Animated grid canvas ==================== */

#grid-canvas {
  opacity: 0.35;
}

/* ==================== Blinking cursor ==================== */

.blink-cursor {
  animation: blink 1.1s step-end infinite;
}

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

/* ==================== Pulse dot ==================== */

.pulse-dot {
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 255, 65, 0.4);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(2.5); opacity: 0; }
}

/* ==================== CTA pulse ==================== */

.cta-pulse {
  position: relative;
  overflow: hidden;
}

.cta-pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(-100%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) skewX(-15deg); }
  30% { transform: translateX(120%) skewX(-15deg); }
  100% { transform: translateX(120%) skewX(-15deg); }
}

/* ==================== Scroll indicator ==================== */

.scroll-indicator {
  animation: bounce-down 2s ease-in-out infinite;
  opacity: 0.4;
}

@keyframes bounce-down {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ==================== Feature tiles ==================== */

.feature-grid-border {
  border: 1px solid #2a2a2a;
}

.feature-tile {
  position: relative;
  transition: background-color 0.2s ease;
  border: 1px solid transparent;
  margin: -1px; /* collapse the gap border */
}

.feature-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  pointer-events: none;
  z-index: 1;
}

.feature-tile:hover {
  background-color: #161616;
  z-index: 2;
}

.feature-tile:hover::before {
  border-color: rgba(0, 255, 65, 0.3);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.05) inset;
}

.feature-tile:hover .feature-icon {
  filter: drop-shadow(0 0 6px rgba(0, 255, 65, 0.5));
}

.feature-icon {
  transition: filter 0.2s ease;
}

/* ==================== Logo row ==================== */

.logo-item {
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.logo-item:hover {
  transform: translateY(-2px);
}

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

.faq-trigger {
  cursor: pointer;
  background: none;
  border: none;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.faq-trigger:focus-visible {
  outline: 2px solid #00ff41;
  outline-offset: 2px;
  border-radius: 2px;
}

.faq-answer {
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.faq-item.open .faq-plus {
  display: none;
}

.faq-item.open .faq-minus {
  display: block;
}

.faq-item.open .faq-icon {
  color: #00ff41;
}

.faq-item.open > .faq-trigger > span:first-child {
  color: #f0f0f0;
}

/* ==================== Fade-up entrance animations ==================== */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-up-anim 0.7s ease forwards;
}

.fade-up-delay-1 {
  animation-delay: 0.15s;
}

.fade-up-delay-2 {
  animation-delay: 0.3s;
}

.fade-up-delay-3 {
  animation-delay: 0.45s;
}

@keyframes fade-up-anim {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== Scroll reveal ==================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== Focus states (accessibility) ==================== */

input:focus-visible {
  outline: 2px solid #00ff41;
  outline-offset: 0;
}

button:focus-visible {
  outline: 2px solid #00ff41;
  outline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid #00ff41;
  outline-offset: 2px;
  border-radius: 2px;
}

/* ==================== Responsive ==================== */

@media (max-width: 640px) {
  .logo-row {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .logo-item {
    flex-shrink: 0;
  }
}

@media (min-width: 641px) {
  .logo-row {
    flex-wrap: wrap;
    justify-content: center;
  }
}