/* ============================================================
   Site-wide motion layer — extra animations for every page
   Ripple buttons · nav underline · tilt glare · icon draw-in
   science ticker · hero orbs · border beam · micro-bounces
   All effects respect prefers-reduced-motion.
   ============================================================ */

/* ---------- Buttery anchor scrolling ---------- */
html { scroll-behavior: smooth; }

section[id], div[id="mission"] {
  scroll-margin-top: 92px;
}

/* ---------- Click ripple on buttons ---------- */
.btn {
  position: relative;
  overflow: hidden;
}

.ts-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  pointer-events: none;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0) 65%
  );
  animation: tsRipple 0.65s ease-out forwards;
}

.btn-ghost .ts-ripple,
.btn-outline-light .ts-ripple,
.nav-cta .ts-ripple {
  background: radial-gradient(
    circle,
    rgba(13, 148, 136, 0.3) 0%,
    rgba(13, 148, 136, 0) 65%
  );
}

@keyframes tsRipple {
  to { transform: scale(3); opacity: 0; }
}

/* ---------- 3D tilt cards (driven by motion.js) ---------- */
[data-tilt] {
  transform-style: preserve-3d;
}

.ts-glare {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    460px circle at var(--gx, 50%) var(--gy, 50%),
    rgba(255, 255, 255, 0.3),
    transparent 45%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 2;
}

[data-tilt]:hover .ts-glare { opacity: 1; }

/* ---------- Pillar icons: stroke draws itself in on reveal ---------- */
.js .pillar-card .pillar-icon svg :is(path, ellipse, circle) {
  stroke-dasharray: 130;
  stroke-dashoffset: 0;
}

.js .pillar-card.in .pillar-icon svg :is(path, ellipse, circle) {
  animation: tsIconDraw 1.15s cubic-bezier(0.5, 0, 0.2, 1) both;
  animation-delay: calc(var(--d, 0s) + 0.25s);
}

@keyframes tsIconDraw {
  from { stroke-dasharray: 130; stroke-dashoffset: 130; }
  to   { stroke-dasharray: 130; stroke-dashoffset: 0; }
}

/* ---------- Tag rows: staggered pop after their card lands ---------- */
.js .pillar-card .tag-row li {
  opacity: 0;
  transform: translateY(10px) scale(0.92);
  transition: opacity 0.5s ease, transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.js .pillar-card.in .tag-row li {
  opacity: 1;
  transform: none;
}

.js .pillar-card.in .tag-row li:nth-child(1) { transition-delay: calc(var(--d, 0s) + 0.3s); }
.js .pillar-card.in .tag-row li:nth-child(2) { transition-delay: calc(var(--d, 0s) + 0.4s); }
.js .pillar-card.in .tag-row li:nth-child(3) { transition-delay: calc(var(--d, 0s) + 0.5s); }

/* ---------- Science ticker (homepage) ---------- */
.vr-ticker {
  overflow: hidden;
  background: #06281d;
  border-top: 1px solid rgba(45, 212, 191, 0.25);
  border-bottom: 1px solid rgba(45, 212, 191, 0.25);
  padding: 0.72rem 0;
  user-select: none;
}

.vr-ticker-track {
  display: flex;
  width: max-content;
  animation: tsTicker 46s linear infinite;
}

.vr-ticker:hover .vr-ticker-track {
  animation-play-state: paused;
}

.vr-ticker-half {
  display: flex;
  align-items: center;
  flex: none;
}

.vr-tick {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding-right: 3rem;
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: #b9f4dd;
}

.vr-tick b {
  color: #5eead4;
  font-weight: 700;
}

.vr-tick::before {
  content: "✦";
  color: #f5b940;
  font-size: 0.7rem;
}

@keyframes tsTicker {
  to { transform: translateX(-50%); }
}

/* ---------- Hero: drifting gradient orbs ---------- */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(52px);
}

.hero .hero-grid {
  position: relative;
  z-index: 1;
}

.orb-a {
  width: 380px;
  height: 380px;
  left: -140px;
  top: -110px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.32), transparent 65%);
  animation: tsOrbA 21s ease-in-out infinite alternate;
}

.orb-b {
  width: 320px;
  height: 320px;
  right: -120px;
  bottom: -90px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.3), transparent 65%);
  animation: tsOrbB 26s ease-in-out infinite alternate;
}

@keyframes tsOrbA {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(70px, 55px) scale(1.16); }
}

@keyframes tsOrbB {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-60px, -48px) scale(1.12); }
}

/* ---------- Join card: rotating border beam ---------- */
@property --beam {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

.join-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.6px;
  background: conic-gradient(
    from var(--beam),
    transparent 0turn 0.9turn,
    rgba(16, 185, 129, 0.85) 0.96turn,
    #ffffff 0.99turn,
    transparent 1turn
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: tsBeamSpin 5.4s linear infinite;
  pointer-events: none;
}

@keyframes tsBeamSpin {
  to { --beam: 360deg; }
}

/* ---------- Back-to-top: cheerful bounce ---------- */
.to-top:hover svg {
  animation: tsHop 0.55s ease;
}

@keyframes tsHop {
  0% { transform: translateY(0); }
  35% { transform: translateY(-4px); }
  70% { transform: translateY(1px); }
  100% { transform: translateY(0); }
}

/* ---------- Footer brand leaf sway on hover ---------- */
.brand-footer:hover .logo-mark {
  animation: tsSway 0.9s ease-in-out;
}

@keyframes tsSway {
  0%, 100% { transform: rotate(0deg); }
  30% { transform: rotate(-7deg); }
  65% { transform: rotate(5deg); }
}

/* ============================================================
   Reduced motion — switch everything off
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .ts-ripple { display: none; }

  [data-tilt] { transform: none !important; }
  .ts-glare { display: none; }

  .js .pillar-card .pillar-icon svg :is(path, ellipse, circle) {
    animation: none !important;
  }

  .js .pillar-card .tag-row li {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .vr-ticker-track { animation: none; }

  .hero-orb { animation: none; }

  .join-card::after { animation: none; }

  .to-top:hover svg,
  .brand-footer:hover .logo-mark { animation: none; }
}