/**
 * NANA AISHA SCIENCE ACADEMY — "Living Green + Science Motion"
 * Additive motion/interaction layer. Loads AFTER brand.css + custom.css.
 * Non-destructive: only .na-* classes. Respects prefers-reduced-motion + touch.
 */

:root {
  --na-ease: cubic-bezier(.22, .61, .21, 1);
  --na-ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --na-spotlight: rgba(139, 203, 90, .16);
  --na-spotlight-strong: rgba(139, 203, 90, .28);
}

/* ---------- Entrance (short branded, 1-1.5s max) ---------- */
#na-entrance { position: fixed; inset: 0; z-index: 10000; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .9rem;
  background: var(--school-milk-light, #FFFDF5); transition: opacity .5s ease, visibility .5s; }
#na-entrance.done { opacity: 0; visibility: hidden; pointer-events: none; }
#na-entrance img { width: 84px; height: 84px; border-radius: 50%; object-fit: cover;
  border: 3px solid var(--school-green, #B9E88A); box-shadow: 0 10px 30px rgba(63,111,50,.25);
  animation: naLogoIn .8s var(--na-ease) both; }
#na-entrance .na-lightpass { position: absolute; width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(185,232,138,.55), transparent 70%);
  animation: naPass 1.2s ease both; pointer-events: none; }
#na-entrance h1, #na-entrance .na-brand-name { font-family: var(--font-heading); font-size: 1.05rem; letter-spacing: .04em;
  color: var(--school-text); animation: naFadeUp .6s .35s var(--na-ease) both; font-weight: 700; }
#na-entrance p { font-size: .75rem; letter-spacing: .28em; color: var(--school-green-dark);
  font-weight: 700; animation: naFadeUp .6s .5s var(--na-ease) both; }
@keyframes naLogoIn { from { opacity: 0; transform: scale(.85); } to { opacity: 1; transform: scale(1); } }
@keyframes naPass { from { opacity: 0; transform: scale(.6); } 40% { opacity: 1; } to { opacity: 0; transform: scale(1.25); } }
@keyframes naFadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Living Green spotlight cards ---------- */
.na-spot { position: relative; isolation: isolate; overflow: hidden;
  --mouse-x: 50%; --mouse-y: 50%;
  transition: transform .3s var(--na-ease), box-shadow .3s var(--na-ease), border-color .3s; }
.na-spot::before { content: ''; position: absolute; inset: 0; z-index: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), var(--na-spotlight-strong), transparent 65%); }
.na-spot:hover::before, .na-spot:focus-within::before { opacity: 1; }
.na-spot:hover { transform: translateY(-7px); border-color: var(--school-green-secondary, #8BCB5A) !important;
  box-shadow: 0 18px 44px rgba(63,111,50,.16) !important; }
.na-spot > * { position: relative; z-index: 1; }
.na-spot .na-icon { transition: transform .35s var(--na-ease-spring); }
.na-spot:hover .na-icon { transform: scale(1.12) rotate(-3deg); }
.na-spot .na-arrow { transition: transform .3s var(--na-ease); display: inline-flex; }
.na-spot:hover .na-arrow { transform: translateX(6px); }

/* ---------- Premium buttons ---------- */
.btn-na { position: relative; overflow: hidden; isolation: isolate;
  transition: transform .25s var(--na-ease), box-shadow .25s, background .25s;
  will-change: transform; }
.btn-na .btn-arrow { transition: transform .25s var(--na-ease); display: inline-flex; }
.btn-na:hover .btn-arrow { transform: translateX(4px); }
.btn-na::after { content: ''; position: absolute; top: 0; bottom: 0; width: 45%; left: -60%; z-index: 0;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.45), transparent);
  transform: skewX(-18deg); transition: left .55s var(--na-ease); pointer-events: none; }
.btn-na:hover::after { left: 130%; }
.btn-na > * { position: relative; z-index: 1; }
.btn-na:active { transform: scale(.98); }
.btn-na .na-ripple { position: absolute; border-radius: 50%; transform: scale(0); z-index: 0;
  background: rgba(255,255,255,.5); animation: naRipple .55s ease-out forwards; pointer-events: none; }
@keyframes naRipple { to { transform: scale(3); opacity: 0; } }

/* ---------- Floating navbar ---------- */
.na-nav { transition: box-shadow .3s, background .3s, transform .3s; }
.na-nav.scrolled { background: rgba(255,253,245,.88) !important; backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px); box-shadow: 0 8px 28px rgba(31,42,29,.10); }
.na-nav.scrolled .na-nav-inner { height: 3.5rem; }
.na-nav-inner { transition: height .3s; }
.na-nav-link { position: relative; }
.na-nav-link::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -4px; height: 2.5px;
  border-radius: 99px; background: var(--school-green-dark); transition: right .3s var(--na-ease); }
.na-nav-link:hover::after, .na-nav-link.active::after { right: 0; }

/* ---------- Hero science ---------- */
.na-hero-bg { background:
  radial-gradient(700px 380px at 12% 18%, rgba(185,232,138,.35), transparent 65%),
  radial-gradient(600px 420px at 88% 82%, rgba(185,232,138,.28), transparent 65%),
  linear-gradient(115deg, var(--school-milk, #FFF8E8) 0%, #F3F9E6 45%, var(--school-milk, #FFF8E8) 100%);
  background-size: 100% 100%, 100% 100%, 220% 220%;
  animation: naHeroDrift 14s ease-in-out infinite alternate; }
@keyframes naHeroDrift { from { background-position: 0 0, 0 0, 0% 40%; } to { background-position: 0 0, 0 0, 100% 60%; } }
.na-float { animation: naFloat 7s ease-in-out infinite; }
.na-float-d1 { animation-delay: 1.2s; } .na-float-d2 { animation-delay: 2.4s; }
@keyframes naFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
#na-science-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .55; }
.na-hero-img { transition: transform .4s var(--na-ease); will-change: transform; }

/* ---------- Reveal on scroll ---------- */
.na-reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--na-ease), transform .7s var(--na-ease); }
.na-reveal.in { opacity: 1; transform: none; }
.na-reveal-d1 { transition-delay: .08s; } .na-reveal-d2 { transition-delay: .16s; } .na-reveal-d3 { transition-delay: .24s; }

/* ---------- Growth line ---------- */
.na-growth-track { position: absolute; left: 19px; top: 8px; bottom: 8px; width: 3px; border-radius: 99px;
  background: #EAE4CF; overflow: hidden; }
.na-growth-fill { width: 100%; height: 0%; border-radius: 99px;
  background: linear-gradient(180deg, var(--school-green-secondary), var(--school-green-dark)); transition: height .2s linear; }

/* ---------- Science dark section ---------- */
.na-deep { background: radial-gradient(900px 480px at 85% 10%, rgba(185,232,138,.16), transparent 60%),
  linear-gradient(140deg, #284A23 0%, #2C5223 55%, #1E3A1C 100%); color: #FFF8E8; }
.na-deep .na-chip { border: 1px solid rgba(255,248,232,.22); background: rgba(255,248,232,.08); }

/* ---------- Gallery / misc ---------- */
.na-zoom img { transition: transform .6s var(--na-ease); }
.na-zoom:hover img { transform: scale(1.06); }
.na-zoom .na-overlay { opacity: 0; transition: opacity .35s; background: linear-gradient(180deg, transparent 30%, rgba(44,82,35,.78)); }
.na-zoom:hover .na-overlay { opacity: 1; }

/* ---------- Dark mode (dashboards opt-in via [data-theme=dark]) ---------- */
[data-theme="dark"] { --background: #141B13; --white: #1C251B; --cream: #222C21;
  --text-primary: #F2F0DF; --text-secondary: #B9C2AC; --text-muted: #8A9384; --border: #2E3A2D; }
[data-theme="dark"] body, [data-theme="dark"].na-brand { background: #141B13; color: #F2F0DF; }
[data-theme="dark"] .card-na, [data-theme="dark"] .stat-na, [data-theme="dark"] .table-na { background: #1C251B; border-color: #2E3A2D; }
[data-theme="dark"] .table-na thead th { background: #222C21; color: #F2F0DF; }

/* ---------- Focus / a11y ---------- */
.btn-na:focus-visible, .na-spot:focus-visible, a:focus-visible, button:focus-visible,
.input-na:focus-visible { outline: 3px solid rgba(63,111,50,.55); outline-offset: 2px; border-radius: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Empty / error states ---------- */
.na-empty { border: 1.5px dashed var(--border); background: var(--white); border-radius: 16px;
  padding: 2.2rem 1.5rem; text-align: center; color: var(--text-secondary); }

/* ---------- Motion safety ---------- */
@media (hover: none), (pointer: coarse) {
  .na-spot:hover { transform: none; }
  .na-spot::before { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; }
  .na-reveal { opacity: 1; transform: none; }
  #na-entrance { display: none; }
  .na-hero-bg { animation: none; } .na-float { animation: none; }
  .marquee-track { animation: none !important; }
  .hero-orb { animation: none !important; }
}

/* ---------- Global responsive safety (dashboards + landing) ---------- */
.table-na-wrapper, .overflow-x-auto { -webkit-overflow-scrolling: touch; }
table { max-width: 100%; }
canvas { max-width: 100%; height: auto; }
img { max-width: 100%; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 10001; background: #2C5223; color: #fff; padding: .7rem 1.2rem; border-radius: 0 0 12px 0; font-weight: 700; }
.skip-link:focus { left: 0; }
@media (max-width: 640px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .testimonial-pill { flex-basis: 85vw; }
  .gallery-item { flex-basis: 78vw; }
}