/* AI Productivity — MotionSites light theme (shared) */
:root {
  --canvas: #F4F4F5;
  --ink: #111111;
  --lime: #C8F542;
  --mute: #6B6B6B;
  --line: #E4E4E7;
  --panel: #0A0A0A;
  --white: #ffffff;
}

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none !important; }
  .cursor-dot, .cursor-ring, .cursor-trail, .page-spotlight { display: none !important; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (pointer: coarse) {
  .cursor-dot, .cursor-ring, .cursor-trail { display: none !important; }
  body.has-cursor { cursor: auto; }
}

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--canvas);
  color: var(--ink);
  overflow-x: hidden;
}
body.has-cursor { cursor: none; }
body.has-cursor a,
body.has-cursor button,
body.has-cursor [data-tilt] { cursor: none; }

.font-display { font-family: 'Syne', sans-serif; }

/* cursor */
.cursor-dot, .cursor-ring, .cursor-trail {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  border-radius: 50%;
  transform: translate3d(-100px, -100px, 0);
  will-change: transform;
}
.cursor-dot {
  width: 8px; height: 8px; margin: -4px 0 0 -4px;
  background: var(--ink); mix-blend-mode: difference;
}
.cursor-ring {
  width: 40px; height: 40px; margin: -20px 0 0 -20px;
  border: 1.5px solid var(--ink); mix-blend-mode: difference;
  transition: width 0.25s, height 0.25s, margin 0.25s, background 0.25s;
}
body.cursor-hover .cursor-ring {
  width: 64px; height: 64px; margin: -32px 0 0 -32px;
  background: rgba(200, 245, 66, 0.35); border-color: transparent;
}
.cursor-trail {
  width: 10px; height: 10px; margin: -5px 0 0 -5px;
  background: var(--lime);
  opacity: calc(0.55 - var(--t) * 0.06);
  filter: blur(1px);
}

.page-spotlight {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(520px circle at var(--sx, 50%) var(--sy, 40%), rgba(200,245,66,0.09), transparent 45%);
}

.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--lime), #fff 60%, var(--lime));
  background-size: 200% 100%;
  animation: progressShine 2.5s linear infinite;
  transform-origin: left center; transform: scaleX(0);
  z-index: 100; will-change: transform;
}
@keyframes progressShine {
  from { background-position: 0% 0; }
  to { background-position: 200% 0; }
}

/* nav */
[data-nav] {
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
[data-nav].is-scrolled {
  background: rgba(244, 244, 245, 0.85);
  backdrop-filter: blur(16px);
  border-color: var(--line);
}

.cta-lime {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--lime); color: var(--ink);
  font-weight: 600; font-size: 0.95rem;
  padding: 0.95rem 1.5rem; border-radius: 0.75rem;
  transition: background 0.2s ease, transform 0.2s ease;
}
.cta-lime:hover { background: #d4ff5c; }
.cta-ghost {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-weight: 500; color: var(--ink); padding: 0.95rem 0.75rem;
  transition: opacity 0.2s;
}
.cta-ghost:hover { opacity: 0.65; }

.section-kicker {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mute); margin-bottom: 0.75rem;
}
.section-kicker::before {
  content: ''; width: 8px; height: 8px;
  background: var(--lime); border-radius: 2px;
}

.page-hero {
  padding: 7.5rem 0 3rem;
  position: relative;
}
.page-hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1;
}

/* reveals */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  filter: blur(8px);
  clip-path: inset(12% 0 12% 0);
  transition:
    opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.85s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.85s cubic-bezier(0.16, 1, 0.3, 1),
    clip-path 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in {
  opacity: 1; transform: none; filter: none; clip-path: inset(0);
}

/* panels */
.tilt-panel {
  background: var(--panel); color: #f5f5f5;
  border-radius: 1.25rem; padding: 1.75rem;
  border: 1px solid #1f1f1f;
  transition: transform 0.25s ease, border-color 0.25s ease;
  transform-style: preserve-3d; position: relative;
  overflow: hidden; will-change: transform;
}
.tilt-panel::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(200,245,66,0.12), transparent 40%);
  pointer-events: none; opacity: 0; transition: opacity 0.3s;
}
.tilt-panel:hover::after { opacity: 1; }
.tilt-panel:hover { border-color: #333; }

.article-panel {
  display: flex; flex-direction: column; min-height: 260px;
  text-decoration: none; color: inherit;
}
.article-panel h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.25;
  margin-top: auto; transition: color 0.2s;
}
.article-panel:hover h3 { color: var(--lime); }

.surface {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
}

.filter-btn {
  padding: 0.5rem 1rem; border-radius: 0.65rem;
  font-size: 0.75rem; font-weight: 600;
  background: var(--white); color: var(--mute);
  border: 1px solid var(--line); transition: all 0.2s;
}
.filter-btn:hover { color: var(--ink); border-color: #ccc; }
.filter-btn.active {
  background: var(--ink); color: var(--lime); border-color: var(--ink);
}

.form-input, .form-select {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(200, 245, 66, 0.35);
}
.form-input::placeholder { color: #a1a1aa; }

.form-checkbox {
  accent-color: var(--lime);
}

.tag-pill {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 0.4rem;
  font-size: 0.7rem; font-weight: 600;
  background: rgba(200, 245, 66, 0.2);
  color: var(--ink);
  border: 1px solid rgba(200, 245, 66, 0.45);
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(200, 245, 66, 0.2);
  color: var(--ink);
  border: 1px solid rgba(200, 245, 66, 0.45);
}

.share-btn {
  width: 40px; height: 40px; border-radius: 0.65rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--white); border: 1px solid var(--line);
  color: var(--mute); transition: all 0.2s;
}
.share-btn:hover {
  background: var(--ink); color: var(--lime); border-color: var(--ink);
  transform: translateY(-2px);
}

/* light prose */
.prose h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  margin-top: 2.5rem; margin-bottom: 1rem;
  color: var(--ink); letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line); padding-bottom: 0.75rem;
}
.prose h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  margin-top: 2rem; margin-bottom: 0.75rem; color: var(--ink);
}
.prose h4 {
  font-size: 1.1rem; font-weight: 600;
  margin-top: 1.5rem; margin-bottom: 0.5rem; color: var(--ink);
}
.prose p { margin-bottom: 1rem; color: #3f3f46; line-height: 1.8; }
.prose ul, .prose ol {
  margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.5rem;
  padding-left: 1.25rem;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { color: #3f3f46; }
.prose strong { font-weight: 600; color: var(--ink); }
.prose em { font-style: italic; }
.prose blockquote {
  border-left: 3px solid var(--lime);
  padding: 1rem 1.25rem; margin: 1.5rem 0;
  background: rgba(200, 245, 66, 0.12);
  color: #3f3f46; font-style: italic; border-radius: 0 0.75rem 0.75rem 0;
}
.prose code {
  background: #eee; padding: 0.125rem 0.375rem; border-radius: 0.25rem;
  font-size: 0.875rem; color: #166534;
}
.prose pre {
  background: var(--panel); border: 1px solid #222; color: #e2e8f0;
  padding: 1.25rem; border-radius: 0.75rem; overflow-x: auto;
  margin: 1.5rem 0; font-size: 0.875rem; line-height: 1.7;
}
.prose pre code { background: transparent; padding: 0; color: inherit; }
.prose hr { border-color: var(--line); margin: 2rem 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.prose th {
  border: 1px solid var(--line); background: #fafafa;
  padding: 0.625rem 1rem; text-align: left; font-weight: 600; color: var(--ink);
}
.prose td { border: 1px solid var(--line); padding: 0.625rem 1rem; color: #3f3f46; }
.prose tr:nth-child(even) { background: #fafafa; }
.prose a {
  color: var(--ink); text-decoration: none;
  border-bottom: 2px solid var(--lime); transition: color 0.2s;
}
.prose a:hover { color: #166534; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.game-shell {
  background: var(--panel);
  border: 1px solid #222;
  border-radius: 1.25rem;
  overflow: hidden;
}

kbd {
  padding: 0.1rem 0.4rem; border-radius: 0.25rem;
  background: #eee; color: #333; font-size: 0.7rem;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 4px; }

/* index-only hero bits (safe if unused) */
.hero {
  min-height: 100svh; position: relative;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 7rem 0 3.5rem; isolation: isolate; --hero-fade: 1;
}
.hero-canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; }
.hero-noise {
  position: absolute; inset: 0; z-index: 1; opacity: 0.04; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-inner {
  position: relative; z-index: 2; width: 100%; max-width: 72rem;
  margin: 0 auto; padding: 0 1.25rem; opacity: var(--hero-fade);
}
.hero-title {
  font-size: clamp(2.75rem, 9.5vw, 7.5rem);
  line-height: 0.92; letter-spacing: -0.045em; font-weight: 800;
  max-width: 100%; overflow-wrap: anywhere; will-change: transform;
}
.char-wrap {
  display: inline-block; overflow: hidden; vertical-align: bottom;
  padding-bottom: 0.08em; margin-bottom: -0.08em;
}
.char {
  display: inline-block;
  transform: translateY(115%) rotate(8deg); opacity: 0;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
  transition-delay: calc(var(--i, 0) * 28ms + 80ms);
}
[data-split-words].is-ready .char {
  transform: translateY(0) rotate(0); opacity: 1;
}
.hero-sub, .hero-cta, .hero-visual {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-sub { transition-delay: 0.45s; }
.hero-cta { transition-delay: 0.55s; }
.hero-visual { transition-delay: 0.35s; }
[data-hero].is-ready .hero-sub,
[data-hero].is-ready .hero-cta,
[data-hero].is-ready .hero-visual { opacity: 1; transform: translateY(0); }

.hero-stage {
  margin-top: 2.5rem; width: 100%; aspect-ratio: 16 / 7; max-height: 340px;
  border-radius: 1.25rem; background: var(--panel); position: relative;
  overflow: hidden; border: 1px solid #222; will-change: transform;
}
.hero-stage-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(200,245,66,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,245,66,0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
  animation: gridDrift 18s linear infinite;
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to { background-position: 48px 48px; }
}
.hero-stage-orb {
  position: absolute; width: 42%; height: 70%; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle at 35% 35%, #C8F542 0%, transparent 55%),
              radial-gradient(circle at 70% 60%, #fff 0%, transparent 40%);
  opacity: 0.4; filter: blur(2px); animation: morph 8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes morph {
  0%, 100% { border-radius: 40% 60% 55% 45%; transform: translate(-50%, -50%) rotate(0deg) scale(1); }
  50% { border-radius: 60% 40% 45% 55%; transform: translate(-50%, -50%) rotate(8deg) scale(1.08); }
}
.hero-stage-wave { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.hero-stage-label {
  position: absolute; left: 1.25rem; bottom: 1.25rem; color: #aaa;
  font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; z-index: 2;
}
.hero-stage-live {
  position: absolute; right: 1.25rem; top: 1.25rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--lime); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; z-index: 2;
}
.hero-stage-live::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime); animation: blink 1.4s ease infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.marquee-stack { border-block: 1px solid var(--line); background: #fff; }
.marquee { overflow: hidden; padding: 0.85rem 0; }
.marquee + .marquee { border-top: 1px solid var(--line); background: var(--ink); }
.marquee + .marquee .marquee-item { color: #f5f5f5; }
.marquee-track {
  display: flex; width: max-content; gap: 2.5rem;
  animation: marquee 22s linear infinite;
}
.marquee-track.reverse { animation-name: marqueeRev; animation-duration: 26s; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes marqueeRev {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}
.marquee-item {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-weight: 600; font-size: 0.95rem; white-space: nowrap; color: var(--ink);
}
.marquee-dot {
  width: 0.45rem; height: 0.45rem; background: var(--lime);
  border-radius: 2px; flex-shrink: 0;
}