/* ============================================================
   RunR Landing — animations.css
   Keyframes, scroll reveal, 3D tilt, counters
   ============================================================ */

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translate3d(0, 24px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes fade-in-left {
  from { opacity: 0; transform: translate3d(-24px, 0, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes fade-in-scale {
  from { opacity: 0; transform: scale(.94); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(-12px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.45); }
  50%      { box-shadow: 0 0 0 14px rgba(249, 115, 22, 0); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes marquee-x { from { transform: translate3d(0,0,0); } to { transform: translate3d(-50%,0,0); } }
@keyframes eyebrow-pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(249,115,22,0.35); } 50% { box-shadow: 0 0 0 10px rgba(249,115,22,0); } }
@keyframes runr-col-glow { 0%,100% { box-shadow: inset 0 0 0 1px rgba(249,115,22,0.30); } 50% { box-shadow: inset 0 0 0 1px rgba(249,115,22,0.55), inset 0 0 22px rgba(249,115,22,0.18); } }

/* ── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity .8s cubic-bezier(.2, .8, .2, 1),
              transform .8s cubic-bezier(.2, .8, .2, 1);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal-left { transform: translate3d(-24px, 0, 0); }
.reveal-left.is-visible { transform: translate3d(0, 0, 0); }

.reveal-scale { transform: scale(.96); }
.reveal-scale.is-visible { transform: scale(1); }

/* Stagger children */
.reveal-stagger > .reveal,
.reveal-stagger > * {
  transition-delay: calc(var(--i, 0) * 80ms);
}

/* ── 3D CARD TILT ───────────────────────────────────────── */
.tilt-card {
  transform-style: preserve-3d;
  transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .25s cubic-bezier(.2, .8, .2, 1);
  will-change: transform;
}
.tilt-card .tilt-inner {
  transform: translateZ(20px);
  transition: transform .25s ease;
}
.tilt-card:hover .tilt-inner { transform: translateZ(40px); }
.tilt-card .tilt-glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%),
              rgba(255,255,255,0.08) 0%, transparent 50%);
  border-radius: inherit;
  opacity: 0;
  transition: opacity .3s;
}
.tilt-card:hover .tilt-glare { opacity: 1; }

/* ── PROJECT TYPE CARD (big 3D) ─────────────────────────── */
.type-card {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  overflow: hidden;
  cursor: default;
}
.type-card .type-icon {
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--c1, var(--accent)), var(--c2, var(--accent-soft)));
  color: #fff;
  box-shadow: 0 10px 24px rgba(249, 115, 22, 0.25);
}
.type-card h3 { font-size: 24px; margin-bottom: 6px; }
.type-card .type-desc { color: var(--text-dim); font-size: 14px; line-height: 1.65; margin-bottom: 16px; }
.type-card .type-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.type-card .type-blob {
  position: absolute;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c1, var(--accent)), var(--c2, var(--accent-soft)));
  opacity: 0.07;
  bottom: -80px; right: -80px;
  filter: blur(2px);
  transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.type-card:hover .type-blob { transform: scale(1.2) rotate(20deg); }

/* ── COUNTERS ───────────────────────────────────────────── */
.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ── MAGNETIC BTN ───────────────────────────────────────── */
.btn-magnetic {
  transition: transform .15s cubic-bezier(.2, .8, .2, 1);
}

/* ── MIGRATION CARD ─────────────────────────────────────── */
.mig-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color .3s, transform .3s;
  position: relative;
}
.mig-card:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.mig-card h4 {
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.mig-card h4 .arrow { color: var(--accent); }
.mig-card p { color: var(--text-dim); font-size: 13px; line-height: 1.5; }
.mig-card .mig-time {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
  border-radius: 4px;
  font-family: ui-monospace, monospace;
}

/* ── OPEN SOURCE BLOCK ──────────────────────────────────── */
.os-block {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(230, 57, 70, 0.04));
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.os-block::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(249,115,22,0.06) 0%, transparent 50%);
  animation: float-y 6s ease-in-out infinite;
  pointer-events: none;
}
.os-block h2 { font-size: clamp(28px, 4vw, 40px); }
.os-block .os-points {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin: 24px 0;
  font-size: 14px;
  color: var(--text-dim);
}
.os-block .os-points span { display: inline-flex; align-items: center; gap: 6px; }
.os-block .os-points strong { color: var(--success); }

/* ── WAITLIST FINAL CTA ─────────────────────────────────── */
.waitlist-cta {
  background: linear-gradient(135deg, var(--bg-elev), var(--bg-soft));
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}
.waitlist-form {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 24px auto 0;
}
.waitlist-form input { flex: 1; }
@media (max-width: 540px) {
  .waitlist-form { flex-direction: column; }
}

/* ── HOW IT WORKS FLOW ──────────────────────────────────── */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.flow-step {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  position: relative;
}
.flow-step .step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--grad-r);
  color: #fff;
  font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  font-family: ui-monospace, monospace;
}
.flow-step h4 { font-size: 16px; margin-bottom: 6px; }
.flow-step p { color: var(--text-dim); font-size: 13px; line-height: 1.5; }
.flow-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -20px; top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 24px;
  z-index: 2;
}
@media (max-width: 900px) {
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(2)::after { display: none; }
}
@media (max-width: 540px) {
  .flow { grid-template-columns: 1fr; }
  .flow-step::after { display: none !important; }
}

/* ── 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;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-canvas { display: none; }
}