/* ============================================================
   ATREYA YOGA SHALA — Animations
   ============================================================ */

/* ── Keyframes ────────────────────────────────────────────── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}

/* Lotus blooms open with a slight overshoot */
@keyframes lotusBlossom {
  0%   { opacity: 0; transform: scale(0.1) rotate(-200deg); }
  70%  { opacity: 1; transform: scale(1.08) rotate(5deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

/* Petals open one by one */
@keyframes petalOpen {
  from { opacity: 0; transform-origin: bottom center; transform: scaleY(0.05); }
  to   { opacity: 1; transform-origin: bottom center; transform: scaleY(1); }
}

/* OM symbol gentle pulse glow */
@keyframes omPulse {
  0%, 100% {
    text-shadow: 0 0 8px  rgba(221,186,148,0.35);
  }
  50% {
    text-shadow: 0 0 28px rgba(221,186,148,0.75), 0 0 60px rgba(221,186,148,0.25);
  }
}

/* Lotus center breathes */
@keyframes breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1);   box-shadow: 0 0 24px rgba(221,186,148,0.45), 0 0 50px rgba(221,186,148,0.18); }
  50%       { transform: translate(-50%, -50%) scale(1.10); box-shadow: 0 0 40px rgba(221,186,148,0.70), 0 0 80px rgba(221,186,148,0.30); }
}

/* Hero lotus floats gently */
@keyframes floatY {
  0%, 100% { transform: translateY(0px);   }
  50%       { transform: translateY(-14px); }
}

/* Page-hero OM decoration rotates slowly */
@keyframes rotateSlow {
  from { transform: translateX(-50%) rotate(0deg);   }
  to   { transform: translateX(-50%) rotate(360deg); }
}

/* Sanskrit shimmer sweep */
@keyframes shimmerText {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* Ornament divider draws in */
@keyframes expandWidth {
  from { width: 0; opacity: 0; }
  to   { width: 100%; opacity: 1; }
}

/* Card border glow on hover */
@keyframes borderGlow {
  0%, 100% { box-shadow: 0 4px 24px rgba(40,44,30,0.12); }
  50%       { box-shadow: 0 8px 32px rgba(104,111,87,0.22); }
}

/* Top bar ticker */
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Underline draw for section labels */
@keyframes drawUnderline {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Shimmer for pricing highlight */
@keyframes cardShimmer {
  0%   { background-position: -400px 0; }
  100% { background-position:  400px 0; }
}

/* Ripple effect for buttons */
@keyframes ripple {
  0%   { transform: scale(0); opacity: 0.5; }
  100% { transform: scale(4); opacity: 0; }
}

/* ── Hero — staggered entrance ───────────────────────────── */

.hero-content .hero-sanskrit   { animation: fadeUp 0.7s ease 0.15s both; }
.hero-content .hero-translation { animation: fadeUp 0.7s ease 0.28s both; }
.hero-content .hero-source      { animation: fadeUp 0.7s ease 0.38s both; }
.hero-content .hero-title       { animation: fadeUp 0.9s cubic-bezier(0.22,1,0.36,1) 0.52s both; }
.hero-content .hero-desc        { animation: fadeUp 0.8s ease 0.72s both; }
.hero-content .hero-actions     { animation: fadeUp 0.8s ease 0.90s both; }

/* Hero lotus blooms after content */
.hero-lotus .lotus {
  animation: lotusBlossom 1.6s cubic-bezier(0.34, 1.46, 0.64, 1) 0.6s both;
}

/* Once visible, lotus floats */
.hero-lotus {
  animation: floatY 6s ease-in-out 2.4s infinite;
}

/* ── OM Symbol ───────────────────────────────────────────── */

.om-symbol {
  animation: omPulse 3.5s ease-in-out infinite;
}

/* ── Lotus Centre ────────────────────────────────────────── */

.lotus-center {
  animation: breathe 5s ease-in-out infinite !important;
}

/* ── Sanskrit shimmer text ───────────────────────────────── */

.hero-sanskrit {
  background: linear-gradient(
    100deg,
    var(--tan-light) 20%,
    #fff 50%,
    var(--tan-light) 80%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeUp 0.7s ease 0.15s both,
             shimmerText 4s linear 1.5s infinite;
}

/* ── Page Hero OM deco rotates ───────────────────────────── */

.page-hero .om-deco {
  animation: rotateSlow 60s linear infinite;
}

/* ── Section label underline ─────────────────────────────── */

.section-label {
  position: relative;
  display: inline-block;
}
.section-label::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--tan);
  margin-top: 4px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.6s cubic-bezier(0.22,1,0.36,1);
}
/* triggered by JS .revealed or on section that's always visible */
.section-label.label-visible::after,
.revealed .section-label::after {
  transform: scaleX(1);
}

/* Centred labels need centred origin */
.section-title + .section-label::after,
p.section-label::after {
  transform-origin: center center;
}

/* ── Header entrance ─────────────────────────────────────── */

.site-header {
  animation: fadeIn 0.5s ease both;
}
.logo {
  animation: fadeLeft 0.6s cubic-bezier(0.22,1,0.36,1) 0.1s both;
}
.main-nav {
  animation: fadeIn 0.7s ease 0.3s both;
}
.btn-book {
  animation: fadeRight 0.6s cubic-bezier(0.22,1,0.36,1) 0.2s both;
}

/* ── Topbar ticker ───────────────────────────────────────── */

.topbar-inner {
  display: inline-block;
  white-space: nowrap;
  animation: tickerScroll 20s linear infinite;
}

/* ── Button ripple ───────────────────────────────────────── */

.btn-primary,
.btn-book {
  position: relative;
  overflow: hidden;
}
.btn-primary::after,
.btn-book::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 10px; height: 10px;
  background: rgba(255,255,255,0.35);
  border-radius: 50%;
  transform: scale(0);
  margin-top: -5px;
  margin-left: -5px;
  pointer-events: none;
}
.btn-primary:active::after,
.btn-book:active::after {
  animation: ripple 0.5s ease-out;
}

/* ── Scroll Reveal base states ───────────────────────────── */

.reveal {
  opacity: 0;
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22,1,0.36,1);
}
.reveal.from-up    { transform: translateY(40px); }
.reveal.from-left  { transform: translateX(-40px); }
.reveal.from-right { transform: translateX(40px); }
.reveal.from-scale { transform: scale(0.9); }

.reveal.revealed {
  opacity: 1;
  transform: none;
}

/* Stagger siblings that share a parent .stagger-children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0.05s; }
.stagger-children .reveal:nth-child(2) { transition-delay: 0.18s; }
.stagger-children .reveal:nth-child(3) { transition-delay: 0.31s; }
.stagger-children .reveal:nth-child(4) { transition-delay: 0.44s; }

/* ── Card hover enhancement ──────────────────────────────── */

.class-card {
  transition: box-shadow 0.35s ease, transform 0.35s ease,
              border-top-color 0.35s ease;
}
.class-card:hover {
  border-top-color: var(--sage) !important;
}

.price-card {
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.testimonial {
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(40,44,30,0.18);
}

/* ── Nav link underline slide ────────────────────────────── */

.main-nav a {
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--tan);
  border-radius: 1px;
  transition: left 0.3s ease, right 0.3s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after {
  left: 0.6rem;
  right: 0.6rem;
}

/* ── Footer brand fadeIn ─────────────────────────────────── */

.site-footer .om-symbol {
  animation: omPulse 4s ease-in-out infinite;
}

/* ── Ornament divider lines draw in ─────────────────────── */

.ornament-divider {
  overflow: hidden;
}
.ornament-divider span {
  display: inline-block;
  animation: fadeIn 1s ease both;
}

/* ── Pillar numbers count-up feel ────────────────────────── */

.pillar.revealed .pillar-num {
  animation: scaleIn 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}

/* ── Frame corners animate in ────────────────────────────── */

.about-frame.revealed .frame-corner {
  transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
}

/* ── Highlighted price card shimmer ─────────────────────── */

.price-card.highlighted::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(221,186,148,0.18) 50%,
    transparent 60%
  );
  background-size: 400px 100%;
  border-radius: inherit;
  animation: cardShimmer 3.5s linear infinite;
  pointer-events: none;
}

/* ── Schedule table rows stagger ─────────────────────────── */

.schedule-table tbody tr {
  animation: fadeIn 0.4s ease both;
}
.schedule-table tbody tr:nth-child(1)  { animation-delay: 0.05s; }
.schedule-table tbody tr:nth-child(2)  { animation-delay: 0.10s; }
.schedule-table tbody tr:nth-child(3)  { animation-delay: 0.15s; }
.schedule-table tbody tr:nth-child(4)  { animation-delay: 0.20s; }
.schedule-table tbody tr:nth-child(5)  { animation-delay: 0.25s; }
.schedule-table tbody tr:nth-child(6)  { animation-delay: 0.30s; }
.schedule-table tbody tr:nth-child(7)  { animation-delay: 0.35s; }
.schedule-table tbody tr:nth-child(8)  { animation-delay: 0.40s; }
.schedule-table tbody tr:nth-child(9)  { animation-delay: 0.45s; }
.schedule-table tbody tr:nth-child(10) { animation-delay: 0.50s; }
.schedule-table tbody tr:nth-child(11) { animation-delay: 0.55s; }
.schedule-table tbody tr:nth-child(12) { animation-delay: 0.60s; }

/* ── Floating Buttons ────────────────────────────────────── */

/* Pulse ring behind WhatsApp button */
@keyframes waPulse {
  0%   { transform: scale(1);    box-shadow: 0 0 0 0   rgba(37,211,102,0.55); }
  70%  { transform: scale(1);    box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { transform: scale(1);    box-shadow: 0 0 0 0   rgba(37,211,102,0); }
}

/* Scroll-to-top arrow bounce */
@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-5px); }
}

/* Buttons slide in from the right on appear */
@keyframes floatBtnIn {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Wrapper — fixed bottom-right stack */
.floating-btns {
  position: fixed;
  bottom: 2rem;
  right: 1.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  z-index: 999;
}

/* Shared button base */
.fab {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.3s ease;
  animation: floatBtnIn 0.6s cubic-bezier(0.34,1.56,0.64,1) both;
}
.fab:hover {
  transform: scale(1.14);
}

/* ── WhatsApp ── */
.fab-whatsapp {
  background: #25D366;
  box-shadow: 0 4px 18px rgba(37,211,102,0.45);
  animation-delay: 0.2s;
  /* continuous pulse ring */
  animation: floatBtnIn 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.2s both,
             waPulse 2.6s ease-out 1.4s infinite;
}
.fab-whatsapp:hover {
  box-shadow: 0 6px 28px rgba(37,211,102,0.60);
  background: #20c25e;
  transform: scale(1.14);
  /* pause pulse ring on hover */
  animation-play-state: paused, paused;
}
.fab-whatsapp svg {
  width: 26px;
  height: 26px;
  fill: #fff;
  flex-shrink: 0;
}

/* ── Scroll-to-top ── */
.fab-top {
  background: var(--olive-dark);
  box-shadow: 0 4px 18px rgba(40,44,30,0.30);
  animation-delay: 0.05s;
  /* hidden until user scrolls */
  opacity: 0;
  pointer-events: none;
  transform: translateX(60px);
  transition: opacity 0.4s ease,
              transform 0.4s cubic-bezier(0.34,1.56,0.64,1),
              background 0.25s ease,
              box-shadow 0.25s ease;
}
.fab-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}
.fab-top:hover {
  background: var(--olive);
  box-shadow: 0 6px 28px rgba(40,44,30,0.42);
  transform: scale(1.14);
}
/* Arrow icon pulses upward on hover */
.fab-top:hover .fab-arrow {
  animation: arrowBounce 0.5s ease infinite;
}
.fab-arrow {
  width: 22px;
  height: 22px;
  display: block;
  /* drawn with borders */
  border-left: 2.5px solid #fff;
  border-top:  2.5px solid #fff;
  transform: rotate(45deg) translate(3px, 3px);
  border-radius: 1px;
  transition: transform 0.3s ease;
}

/* Tooltip labels on hover */
.fab[data-tip] {
  position: relative;
}
.fab[data-tip]::before {
  content: attr(data-tip);
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) scale(0.85);
  background: var(--olive-deep);
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 0.3rem 0.7rem;
  border-radius: 3px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.fab[data-tip]:hover::before {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

/* ── Mobile: shrink floating buttons ────────────────────── */

@media (max-width: 600px) {
  .floating-btns { bottom: 1.2rem; right: 1rem; gap: 0.7rem; }
  .fab { width: 46px; height: 46px; }
  .fab-whatsapp svg { width: 22px; height: 22px; }
  .fab[data-tip]::before { display: none; }
  .fab-arrow { width: 18px; height: 18px; }
}

/* ── Respect reduced motion ──────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration:   0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration:  0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}