/* ============================================
   ANIMATIONS.CSS — Inkwell & Crest
   Premium keyframes & animation utilities
   ============================================ */

/* ---------- Keyframes ---------- */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-22px); }
}

@keyframes floatYSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(3deg); }
}

@keyframes floatYFast {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(-2deg); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.45); }
  50% { box-shadow: 0 0 0 18px rgba(230, 57, 70, 0); }
}

@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.7; }
  70% { transform: scale(1.3); opacity: 0; }
  100% { opacity: 0; }
}

@keyframes shimmer {
  0% { transform: translateX(-150%) skewX(-20deg); }
  100% { transform: translateX(250%) skewX(-20deg); }
}

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

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

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

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes blurReveal {
  from { opacity: 0; filter: blur(14px); transform: translateY(30px); }
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-12deg) scale(0.9); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marqueeReverse {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blinkCaret {
  0%, 100% { border-color: transparent; }
  50% { border-color: var(--color-secondary); }
}

@keyframes blobMorph {
  0%, 100% { border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%; }
  33% { border-radius: 67% 33% 47% 53% / 37% 62% 38% 63%; }
  66% { border-radius: 39% 61% 33% 67% / 63% 38% 62% 37%; }
}

@keyframes orbDrift {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 25px) scale(0.95); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes lightRay {
  0% { transform: rotate(0deg) translateX(0); opacity: 0.25; }
  50% { opacity: 0.5; }
  100% { transform: rotate(360deg) translateX(0); opacity: 0.25; }
}

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

@keyframes underlineExpand {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes bookFloat {
  0%, 100% { transform: translateY(0) rotateZ(-4deg); }
  50% { transform: translateY(-16px) rotateZ(2deg); }
}

@keyframes pageFlip {
  0%, 100% { transform: rotateY(0deg); }
  50% { transform: rotateY(15deg); }
}

@keyframes ringPulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 90, 95, 0.5); }
  100% { box-shadow: 0 0 0 22px rgba(255, 90, 95, 0); }
}

@keyframes countGlow {
  0%, 100% { text-shadow: 0 0 0 rgba(230, 57, 70, 0); }
  50% { text-shadow: 0 0 24px rgba(230, 57, 70, 0.55); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes notifIn {
  0% { opacity: 0; transform: translateY(30px) scale(0.9); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes notifOut {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(30px) scale(0.9); }
}

@keyframes waveMove {
  from { transform: translateX(0); }
  to { transform: translateX(-25%); }
}

@keyframes gridPan {
  from { background-position: 0 0; }
  to { background-position: 60px 60px; }
}

@keyframes badgePop {
  0% { transform: scale(0) rotate(-30deg); }
  60% { transform: scale(1.2) rotate(8deg); }
  100% { transform: scale(1) rotate(-8deg); }
}

@keyframes starGlow {
  0%, 100% { filter: drop-shadow(0 0 0 rgba(255, 90, 95, 0)); }
  50% { filter: drop-shadow(0 0 6px rgba(255, 90, 95, 0.8)); }
}

@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---------- Reveal utility classes ---------- */
.reveal { opacity: 0; will-change: transform, opacity; }
.reveal.fade-up { animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.reveal.fade-left { animation: fadeLeft 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.reveal.fade-right { animation: fadeRight 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.reveal.zoom-in { animation: zoomIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.reveal.blur-reveal { animation: blurReveal 1s ease forwards; }
.reveal.scale-in { animation: scaleIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.reveal.rotate-in { animation: rotateIn 0.9s ease forwards; }
.reveal.delay-1 { animation-delay: 0.1s; }
.reveal.delay-2 { animation-delay: 0.2s; }
.reveal.delay-3 { animation-delay: 0.3s; }
.reveal.delay-4 { animation-delay: 0.4s; }
.reveal.delay-5 { animation-delay: 0.5s; }
.reveal.delay-6 { animation-delay: 0.6s; }

/* ---------- Continuous animations ---------- */
.anim-float { animation: floatY 6s ease-in-out infinite; }
.anim-float-slow { animation: floatYSlow 9s ease-in-out infinite; }
.anim-float-fast { animation: floatYFast 4s ease-in-out infinite; }
.anim-spin-slow { animation: spinSlow 22s linear infinite; }
.anim-pulse-glow { animation: pulseGlow 2.4s ease-out infinite; }
.anim-blob { animation: blobMorph 14s ease-in-out infinite; }
.anim-orb { animation: orbDrift 18s ease-in-out infinite; }
.anim-ray { animation: lightRay 26s linear infinite; }
.anim-book { animation: bookFloat 7s ease-in-out infinite; }
.anim-page { animation: pageFlip 6s ease-in-out infinite; }
.anim-ring { animation: ringPulse 2.2s ease-out infinite; }
.anim-count-glow { animation: countGlow 3s ease-in-out infinite; }
.anim-grid { animation: gridPan 8s linear infinite; }
.anim-arrow { animation: arrowBounce 1.8s ease-in-out infinite; }
.anim-badge { animation: badgePop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }

/* ---------- Gradient text ---------- */
.gradient-text {
  background: linear-gradient(120deg, #8B0000, #E63946, #FF5A5F, #8B0000);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textGradientFlow 6s ease infinite;
}

/* ---------- Shimmer overlay ---------- */
.shimmer {
  position: relative;
  overflow: hidden;
}
.shimmer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: translateX(-150%) skewX(-20deg);
  pointer-events: none;
}
.shimmer:hover::after {
  animation: shimmer 0.9s ease;
}

/* ---------- Animated underline ---------- */
.underline-anim {
  position: relative;
}
.underline-anim::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.underline-anim:hover::after { transform: scaleX(1); }

/* ---------- 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;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; }
}

/* ============================================
   ADVANCED EFFECTS (v2)
   ============================================ */

/* ---------- Word-by-word text reveal ---------- */
.split-words .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.split-words.in-view .word {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Stagger children reveal ---------- */
.stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.stagger.in-view > * {
  opacity: 1;
  transform: translateY(0);
}
.stagger.in-view > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.in-view > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.in-view > *:nth-child(3) { transition-delay: 0.19s; }
.stagger.in-view > *:nth-child(4) { transition-delay: 0.26s; }
.stagger.in-view > *:nth-child(5) { transition-delay: 0.33s; }
.stagger.in-view > *:nth-child(6) { transition-delay: 0.40s; }
.stagger.in-view > *:nth-child(7) { transition-delay: 0.47s; }
.stagger.in-view > *:nth-child(8) { transition-delay: 0.54s; }

/* ---------- Clip-path reveal (image/section sweep) ---------- */
.clip-reveal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.1s var(--ease);
}
.clip-reveal.in-view { clip-path: inset(0 0 0 0); }

/* ---------- 3D card flip ---------- */
.flip-card { perspective: 1200px; }
.flip-card__inner {
  position: relative;
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s var(--ease);
}
.flip-card:hover .flip-card__inner { transform: rotateY(180deg); }
.flip-card__face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.flip-card__back { transform: rotateY(180deg); }

/* ---------- Image switch on hover ---------- */
.img-switch {
  position: relative;
  overflow: hidden;
}
.img-switch__a, .img-switch__b {
  transition: opacity 0.5s var(--ease), transform 0.7s var(--ease);
}
.img-switch__b {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.08);
}
.img-switch:hover .img-switch__a { opacity: 0; transform: scale(1.08); }
.img-switch:hover .img-switch__b { opacity: 1; transform: scale(1); }

/* ---------- Gradient border (animated) ---------- */
.grad-border {
  position: relative;
  background: #fff;
  border-radius: var(--r-lg);
  z-index: 0;
}
.grad-border::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(120deg, #8B0000, #E63946, #FF5A5F, #8B0000);
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: textGradientFlow 6s ease infinite;
}
.grad-border:hover::before { opacity: 1; }

/* ---------- Scroll-driven horizontal indicator ---------- */
.scroll-spy-dots {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 940;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.scroll-spy-dots.visible { opacity: 1; }
.scroll-spy-dots__dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: rgba(17,17,17,0.18);
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: all 0.3s var(--ease);
}
.scroll-spy-dots__dot::after {
  content: attr(data-label);
  position: absolute;
  right: 22px; top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--color-ink);
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}
.scroll-spy-dots__dot:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }
.scroll-spy-dots__dot.active {
  background: var(--gradient);
  transform: scale(1.4);
  box-shadow: 0 0 0 4px rgba(230,57,70,0.18);
}

/* ---------- Floating action widget ---------- */
.fab {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 960;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.fab__btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: var(--shadow-lg);
  transition: all 0.35s var(--ease);
  position: relative;
}
.fab__btn svg { width: 24px; height: 24px; }
.fab__btn--call { background: var(--gradient); color: #fff; }
.fab__btn--wa { background: #25D366; color: #fff; }
.fab__btn--wa::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  animation: ringPulse 2s ease-out infinite;
}
.fab__btn--call::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(230,57,70,0.5);
  animation: ringPulse 2s ease-out infinite;
}
.fab__btn:hover { transform: scale(1.1) translateY(-2px); }
.fab__label {
  background: #fff;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-ink);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.3s ease;
  pointer-events: none;
}
.fab__btn:hover + .fab__label,
.fab__btn:hover ~ .fab__label { opacity: 1; transform: translateX(0); }

/* ---------- Parallax layers ---------- */
[data-parallax-layer] { will-change: transform; transition: transform 0.15s linear; }

/* ---------- Section enter with scale+blur ---------- */
.enter-scale-blur {
  opacity: 0;
  filter: blur(12px);
  transform: scale(0.94);
  transition: opacity 0.9s var(--ease), filter 0.9s var(--ease), transform 0.9s var(--ease);
}
.enter-scale-blur.in-view {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* ---------- Animated marquee for inline badges ---------- */
.marquee-inline {
  display: inline-flex;
  gap: 14px;
  animation: marquee 18s linear infinite;
}

/* ---------- Spotlight hover (card follows cursor) ---------- */
.spotlight {
  position: relative;
  overflow: hidden;
}
.spotlight::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,57,70,0.18), transparent 60%);
  left: var(--mx, 50%);
  top: var(--my, 50%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}
.spotlight:hover::before { opacity: 1; }
.spotlight > * { position: relative; z-index: 1; }

/* ---------- Number counter pop ---------- */
.count-pop {
  display: inline-block;
  transition: transform 0.3s var(--ease-bounce);
}
.count-pop.bump { transform: scale(1.15); }

/* ---------- Sticky shrink-on-scroll section header ---------- */
.sticky-head {
  position: sticky;
  top: 70px;
  z-index: 20;
  background: rgba(250,250,250,0.85);
  backdrop-filter: blur(14px);
  padding: 18px 0;
  margin: -20px 0 40px;
  border-bottom: 1px solid var(--color-line);
}

/* ---------- Guided scroll hint ---------- */
.scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.scroll-hint__line {
  width: 40px; height: 2px;
  background: var(--gradient);
  position: relative;
  overflow: hidden;
}
.scroll-hint__line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(230,57,70,0.2);
  animation: hintLine 2s ease-in-out infinite;
}
@keyframes hintLine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---------- Soft section divider (gradient fade) ---------- */
.divider-soft {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-line-strong), transparent);
  margin: 0 auto;
  max-width: 800px;
}

/* ---------- Icon wiggle on hover ---------- */
.icon-wiggle:hover svg {
  animation: iconWiggle 0.6s ease;
}
@keyframes iconWiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-10deg) scale(1.1); }
  50% { transform: rotate(8deg) scale(1.15); }
  75% { transform: rotate(-5deg) scale(1.05); }
}

/* ---------- Button shine sweep ---------- */
.btn-shine { position: relative; overflow: hidden; }
.btn-shine::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}
.btn-shine:hover::after { left: 130%; }

/* ---------- Hide on small screens for performance ---------- */
@media (max-width: 767px) {
  .scroll-spy-dots { display: none; }
  .fab { bottom: 80px; right: 16px; }
  .fab__btn { width: 50px; height: 50px; }
  .fab__btn svg { width: 22px; height: 22px; }
}

/* ============================================
   MORE INTERACTIVE EFFECTS (v3)
   ============================================ */

/* ---------- Magnetic nav links ---------- */
.nav__link {
  transition: transform 0.25s var(--ease), color 0.3s ease;
}

/* ---------- Hero headline gradient flow ---------- */
.hero__title .gradient-flow {
  background: linear-gradient(120deg, #8B0000, #E63946, #FF5A5F, #E63946, #8B0000);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textGradientFlow 5s ease infinite;
}

/* ---------- Card glow trail (service cards) ---------- */
.service-card {
  position: relative;
}
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(230,57,70,0.12), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}
.service-card:hover::after { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }

/* ---------- Pricing card glow ---------- */
.pricing-card {
  position: relative;
}
.pricing-card.popular::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  background: linear-gradient(120deg, #8B0000, #E63946, #FF5A5F, #8B0000);
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0.6;
  animation: textGradientFlow 4s ease infinite;
}

/* ---------- Animated book card 3D tilt glow ---------- */
.book-card__inner {
  position: relative;
}
.book-card__inner::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(230,57,70,0.25), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
  filter: blur(20px);
}
.book-card:hover .book-card__inner::before { opacity: 1; }

/* ---------- Scroll-driven section number indicator ---------- */
.section-progress {
  position: fixed;
  left: 24px;
  bottom: 28px;
  z-index: 940;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  opacity: 0;
  transition: opacity 0.4s ease;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  padding: 10px 18px;
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-line);
}
.section-progress.visible { opacity: 1; }
.section-progress__num {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 1rem;
}
.section-progress__bar {
  width: 50px; height: 3px;
  background: var(--color-line);
  border-radius: 3px;
  overflow: hidden;
}
.section-progress__bar::after {
  content: "";
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  background: var(--gradient);
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ---------- Tilt card 3D shadow ---------- */
[data-tilt] {
  transform-style: preserve-3d;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

/* ---------- Filter button magnetic ---------- */
.filter-btn {
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.filter-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}
.filter-btn:not(.active):hover::before { opacity: 0.08; }

/* ---------- Animated underline on section headings ---------- */
.section-head h2 { position: relative; }
.section-head h2::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60px;
  height: 4px;
  border-radius: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.6s var(--ease);
}
.section-head.in-view h2::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

/* ---------- Hero badge pulse ---------- */
.hero .eyebrow {
  animation: fadeIn 0.8s ease forwards, pulseGlow 3s ease-in-out infinite 1s;
}

/* ---------- Smooth scroll snap for book carousel ---------- */
.featured__carousel {
  scroll-snap-type: x mandatory;
  scroll-padding: 24px;
}
.book-card { scroll-snap-align: center; }

/* ---------- Gradient border animation on featured books ---------- */
.featured__nav .featured__btn {
  position: relative;
  overflow: hidden;
}
.featured__nav .featured__btn::after {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}
.featured__nav .featured__btn:hover::after { left: 100%; }

/* ---------- Hide section progress on mobile ---------- */
@media (max-width: 767px) {
  .section-progress { display: none; }
}