/* ARServer premium interaction layer: motion, reveal, hover, active nav, and screenshot lightbox. */
:root {
  --motion-fast: 180ms;
  --motion-mid: 420ms;
  --motion-slow: 760ms;
  --spring: cubic-bezier(.2, .9, .2, 1);
  --smooth: cubic-bezier(.22, .61, .36, 1);
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(.25deg); }
}

@keyframes softPulse {
  0%, 100% { box-shadow: 0 0 0 7px rgba(22, 163, 74, .12), 0 0 0 0 rgba(22, 163, 74, .16); }
  50% { box-shadow: 0 0 0 9px rgba(22, 163, 74, .08), 0 0 24px 2px rgba(22, 163, 74, .18); }
}

@keyframes cardShine {
  0% { transform: translateX(-160%) skewX(-18deg); opacity: 0; }
  24% { opacity: .28; }
  100% { transform: translateX(180%) skewX(-18deg); opacity: 0; }
}

html.is-ready .site-header,
html.is-ready .hero-section {
  animation: revealUp var(--motion-slow) var(--spring) both;
}

@keyframes revealUp {
  from { opacity: 0; transform: translateY(20px); filter: blur(8px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.site-header {
  transition:
    top var(--motion-mid) var(--spring),
    width var(--motion-mid) var(--spring),
    min-height var(--motion-mid) var(--spring),
    background var(--motion-mid) var(--smooth),
    box-shadow var(--motion-mid) var(--smooth),
    border-color var(--motion-mid) var(--smooth),
    transform var(--motion-fast) var(--spring);
}

.site-header.is-scrolled {
  top: 10px;
  min-height: 62px;
  border-color: rgba(37, 99, 235, .14);
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 18px 46px rgba(15, 23, 42, .11);
}

.site-header.is-hidden {
  transform: translateY(-110%);
}

.brand-mark,
.eyebrow span,
.hero-console,
.architecture-map,
.final-cta {
  will-change: transform;
}

.eyebrow span {
  animation: softPulse 2.7s ease-in-out infinite;
}

.hero-console {
  animation: heroFloat 6.5s ease-in-out infinite;
  transform-origin: 50% 70%;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(37,99,235,.20), rgba(249,115,22,.75));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--motion-fast) var(--spring);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-links a.is-active {
  color: #0f172a;
  background: rgba(37, 99, 235, .08);
}

.button,
.nav-cta,
.wiki-grid a,
.timeline article,
.feature-grid article,
.audience-grid article,
.scope-list article,
.faq-list details,
.runtime-card,
.route-grid > div,
.signal-table,
.trust-row div,
.shot-card a {
  transform: translateZ(0);
  will-change: transform, box-shadow, border-color, background;
}

.button,
.nav-cta {
  position: relative;
  overflow: hidden;
}

.button::before,
.nav-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,.38) 42%, transparent 72%);
  transform: translateX(-135%) skewX(-16deg);
  opacity: 0;
}

.button:hover::before,
.nav-cta:hover::before {
  animation: cardShine 850ms var(--smooth);
}

.button:active,
.nav-cta:active,
.wiki-grid a:active,
.shot-card a:active,
.faq-list summary:active {
  transform: translateY(0) scale(.982);
}

.audience-grid article:hover,
.timeline article:hover,
.feature-grid article:hover,
.wiki-grid a:hover,
.scope-list article:hover,
.trust-row div:hover,
.route-grid > div:hover,
.runtime-card:hover,
.faq-list details:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, .22);
  box-shadow: 0 24px 58px rgba(37, 99, 235, .10);
}

.signal-row:not(.head) {
  transition: transform var(--motion-fast) var(--spring), background var(--motion-fast) var(--smooth);
}

.signal-row:not(.head):hover {
  transform: translateX(3px);
  background: rgba(219, 234, 254, .58);
}

.architecture-map > div,
.architecture-map .two-out b {
  transition: transform var(--motion-mid) var(--spring), box-shadow var(--motion-mid) var(--smooth), border-color var(--motion-mid) var(--smooth);
}

.architecture-map > div:hover,
.architecture-map .two-out b:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, .24);
  box-shadow: 0 18px 42px rgba(37, 99, 235, .10);
}

.reveal-item {
  opacity: 0;
  transform: translateY(24px) scale(.985);
  filter: blur(8px);
  transition:
    opacity var(--motion-slow) var(--spring),
    transform var(--motion-slow) var(--spring),
    filter var(--motion-slow) var(--spring);
  transition-delay: calc(var(--reveal-delay, 0) * 75ms);
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.hero-section .reveal-item {
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}

.press-ripple {
  position: absolute;
  pointer-events: none;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .48);
  transform: translate(-50%, -50%) scale(1);
  opacity: .8;
  animation: rippleOut 560ms var(--smooth) forwards;
}

@keyframes rippleOut {
  to { transform: translate(-50%, -50%) scale(22); opacity: 0; }
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 17, 31, .62);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--motion-mid) var(--smooth);
}

.image-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.image-lightbox__panel {
  width: min(1180px, 100%);
  max-height: min(86vh, 820px);
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 28px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 36px 110px rgba(0, 0, 0, .36);
  transform: translateY(18px) scale(.985);
  transition: transform var(--motion-mid) var(--spring);
}

.image-lightbox.is-open .image-lightbox__panel {
  transform: translateY(0) scale(1);
}

.image-lightbox__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 4px 0 10px;
  color: #334155;
  font-size: .9rem;
}

.image-lightbox__close {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  color: #0f172a;
  background: rgba(15, 23, 42, .07);
  cursor: pointer;
  transition: transform var(--motion-fast) var(--spring), background var(--motion-fast) var(--smooth);
}

.image-lightbox__close:hover {
  transform: rotate(6deg) scale(1.04);
  background: rgba(249, 115, 22, .14);
}

.image-lightbox img {
  width: 100%;
  max-height: calc(86vh - 82px);
  object-fit: contain;
  border-radius: 20px;
  background: #f8fafc;
}

.faq-list details {
  transition: transform var(--motion-mid) var(--spring), box-shadow var(--motion-mid) var(--smooth), border-color var(--motion-mid) var(--smooth), background var(--motion-mid) var(--smooth);
}

.faq-list details[open] {
  background: rgba(255, 255, 255, .84);
  border-color: rgba(37, 99, 235, .18);
}

/* Restored ARServer product-brand details and cleaner diagram composition. */
.brand-mark {
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 16px 34px rgba(37, 99, 235, .18);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-console::before {
  display: none !important;
}

.architecture-section {
  align-items: center;
}

.connection-diagram {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(37, 99, 235, .12);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.84), rgba(239,246,255,.74)),
    radial-gradient(circle at 48% 44%, rgba(37,99,235,.12), transparent 48%);
  box-shadow: 0 24px 64px rgba(37, 99, 235, .10);
  overflow: hidden;
}

.connection-diagram::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 24px;
  border: 1px dashed rgba(37, 99, 235, .14);
  pointer-events: none;
}

.diagram-node,
.diagram-output-grid,
.diagram-branches,
.diagram-link {
  position: relative;
  z-index: 1;
}

.diagram-node {
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 22px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 16px 38px rgba(15, 23, 42, .06);
  transition: transform var(--motion-mid) var(--spring), box-shadow var(--motion-mid) var(--smooth), border-color var(--motion-mid) var(--smooth);
}

.diagram-node:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, .24);
  box-shadow: 0 24px 58px rgba(37, 99, 235, .12);
}

.diagram-node span {
  color: #64748b;
  font-size: .74rem;
  font-weight: 560;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.diagram-node strong {
  color: #0f172a;
  font-size: 1.05rem;
  font-weight: 590;
}

.diagram-node small {
  color: #5d6b82;
  font-size: .84rem;
}

.source-node {
  border-color: rgba(22, 163, 74, .18);
}

.core-node {
  border-color: rgba(37, 99, 235, .22);
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(219,234,254,.66));
}

.output-node {
  min-height: 128px;
}

.diagram-link {
  display: grid;
  place-items: center;
  min-height: 32px;
  color: #1d4ed8;
  font-size: .78rem;
  font-weight: 560;
  letter-spacing: .02em;
}

.diagram-link::before,
.diagram-link::after {
  content: "";
  position: absolute;
  background: linear-gradient(180deg, rgba(37,99,235,.15), rgba(249,115,22,.32));
}

.diagram-link::before {
  width: 2px;
  top: -10px;
  bottom: -10px;
}

.diagram-link span {
  position: relative;
  z-index: 1;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, .14);
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 8px 22px rgba(37, 99, 235, .08);
}

.diagram-branches {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.diagram-output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.wiki-grid-extended {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.wiki-note {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .58);
  box-shadow: 0 12px 34px rgba(15, 23, 42, .04);
  transition: transform var(--motion-mid) var(--spring), box-shadow var(--motion-mid) var(--smooth), border-color var(--motion-mid) var(--smooth);
}

.wiki-note:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, .22);
  box-shadow: 0 24px 58px rgba(37, 99, 235, .10);
}

.wiki-note strong {
  font-weight: 560;
}

.wiki-note span {
  color: var(--muted);
  font-size: .92rem;
}

.faq-list-expanded {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.faq-list-expanded details:first-child {
  grid-column: 1 / -1;
}

@media (hover: hover) and (pointer: fine) {
  .hero-section:hover .hero-console {
    animation-play-state: paused;
  }
}

@media (max-width: 980px) {
  .connection-diagram,
  .diagram-output-grid,
  .diagram-branches,
  .faq-list-expanded {
    grid-template-columns: 1fr;
  }

  .wiki-grid-extended {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .wiki-grid-extended {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-item {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}