/* ============ animated background grid (fixed, behind everything) ============ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-grid::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 20% 10%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.12), transparent 55%),
    radial-gradient(circle at 50% 90%, rgba(124, 58, 237, 0.18), transparent 55%);
  filter: blur(20px);
  will-change: transform;
}
.bg-grid__layer {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}
.bg-grid__layer--lines {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.bg-grid__layer--dots {
  background-image: radial-gradient(rgba(167, 139, 250, 0.25) 1px, transparent 1.5px);
  background-size: 32px 32px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
/* moving scan line that slides down the page on scroll */
.bg-grid__scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 200px;
  top: -200px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(139, 92, 246, 0.08) 40%,
    rgba(52, 211, 153, 0.12) 50%,
    rgba(139, 92, 246, 0.08) 60%,
    transparent
  );
  filter: blur(1px);
}

/* All page content sits on top */
body > header,
body > section,
body > footer {
  position: relative;
  z-index: 1;
}

/* ============ platform section scan line ============ */
.platform-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
    90deg,
    transparent,
    transparent 49.6%,
    rgba(139, 92, 246, 0.1) 50%,
    transparent 50.4%,
    transparent
  );
  background-size: 200% 100%;
  animation: scanX 12s linear infinite;
  opacity: 0.7;
}
@keyframes scanX {
  0%   { background-position:   0% 0; }
  100% { background-position: 200% 0; }
}

/* ============ cards ============ */
.card {
  position: relative;
  padding: 28px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  transition: border-color 0.3s ease, transform 0.4s ease, box-shadow 0.4s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.4), rgba(16, 185, 129, 0.0) 60%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 30px 60px -20px rgba(124, 58, 237, 0.2);
}
.card:hover::before {
  opacity: 1;
}
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.card__body {
  font-size: 0.95rem;
  color: rgb(161, 161, 170);
  line-height: 1.6;
  margin-bottom: 20px;
}
.card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.85rem;
  color: rgb(212, 212, 216);
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #a78bfa, #34d399);
}

/* ============ AI tiles ============ */
.ai-tile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgb(228, 228, 231);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.ai-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.5);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.1), rgba(255, 255, 255, 0.02));
}
.ai-tile svg {
  color: rgb(167, 139, 250);
  flex-shrink: 0;
}

/* ============ contact card ============ */
.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.contact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ============ reveal-on-scroll initial state (GSAP overrides on enter) ============ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  will-change: opacity, transform;
}

/* ============ platform connector SVG ============ */
.platform-cards-wrapper {
  position: relative;
}
.platform-connector {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.platform-connector__path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 6px rgba(167, 139, 250, 0.6));
}
.platform-connector__dot {
  opacity: 0;
  filter: drop-shadow(0 0 4px rgba(52, 211, 153, 0.8));
}

/* ============ AI terminal ============ */
.ai-terminal {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 9, 18, 0.85);
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.ai-terminal__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.ai-terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.ai-terminal__dot--red { background: #ef4444; }
.ai-terminal__dot--yellow { background: #eab308; }
.ai-terminal__dot--green { background: #22c55e; }
.ai-terminal__title {
  margin-left: 8px;
  font-size: 0.7rem;
  color: rgb(113, 113, 122);
  font-family: 'JetBrains Mono', monospace;
}
.ai-terminal__body {
  padding: 16px 18px;
  min-height: 90px;
}
.ai-terminal__cursor {
  animation: blink 1s step-end infinite;
  color: #34d399;
}
@keyframes blink {
  50% { opacity: 0; }
}
.ai-terminal__response {
  line-height: 1.7;
  color: rgb(212, 212, 216);
}

/* utility: smooth scroll for anchor links */
html {
  scroll-behavior: smooth;
}

/* ============ ensure background scan visible on top of grid ============ */
.bg-grid > * { mix-blend-mode: screen; }
.bg-grid__layer { mix-blend-mode: normal; }