/* =============================================
   DRENOVO - Animations Stylesheet
   ============================================= */

/* ---- Keyframes ---- */
@keyframes drFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes drFadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drFadeSlideLeft {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes drFadeSlideRight {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes drScaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes drPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

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

@keyframes drLightSweep {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ---- Scroll Reveal Classes ---- */
.dr-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.dr-reveal.dr-revealed {
  opacity: 1;
  transform: translateY(0);
}

.dr-reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.dr-reveal-left.dr-revealed {
  opacity: 1;
  transform: translateX(0);
}

.dr-reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.dr-reveal-right.dr-revealed {
  opacity: 1;
  transform: translateX(0);
}

.dr-reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.dr-reveal-scale.dr-revealed {
  opacity: 1;
  transform: scale(1);
}

/* ---- Stagger delays for reveal children ---- */
.dr-stagger-children > *:nth-child(1) { transition-delay: 0s; }
.dr-stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.dr-stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.dr-stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.dr-stagger-children > *:nth-child(5) { transition-delay: 0.4s; }

/* ---- Hero animations ---- */
#dr-hero .dr-hero-eyebrow {
  animation: drFadeSlideRight 0.8s ease 0.2s both;
}

#dr-hero .dr-hero-title {
  animation: drFadeSlideUp 0.9s ease 0.4s both;
}

#dr-hero .dr-hero-description {
  animation: drFadeSlideUp 0.9s ease 0.6s both;
}

#dr-hero .dr-hero-actions {
  animation: drFadeSlideUp 0.9s ease 0.8s both;
}

/* ---- Image hover zoom ---- */
.dr-img-zoom {
  overflow: hidden;
  border-radius: var(--dr-radius-md);
}

.dr-img-zoom img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.dr-img-zoom:hover img {
  transform: scale(1.06);
}

/* ---- Parallax light effect ---- */
.dr-shimmer {
  position: relative;
  overflow: hidden;
}

.dr-shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255,255,255,0.04) 50%,
    transparent 60%
  );
  background-size: 200% 100%;
  animation: drLightSweep 3s linear infinite;
}

/* ---- Floating animation ---- */
.dr-float {
  animation: drFloat 4s ease-in-out infinite;
}

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

/* ---- Underline reveal on hover ---- */
.dr-underline-reveal {
  position: relative;
  display: inline-block;
}

.dr-underline-reveal::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.4s ease;
}

.dr-underline-reveal:hover::after {
  width: 100%;
}

/* ---- Section transition bar ---- */
.dr-section-ornament {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dr-section-ornament-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--dr-gold), transparent);
  max-width: 80px;
}

.dr-section-ornament-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dr-gold);
}

/* ---- Day in Training sequence ---- */
.dr-day-sequence {
  position: relative;
}

.dr-day-step {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--dr-border-light);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.dr-day-step.dr-step-visible {
  opacity: 1;
  transform: translateX(0);
}

.dr-day-step-number {
  font-family: var(--dr-font-display);
  font-size: 3rem;
  font-weight: 400;
  color: rgba(196, 164, 90, 0.2);
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  text-align: right;
}

.dr-day-step-content {
  flex: 1;
}

.dr-day-step-time {
  font-family: var(--dr-font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dr-gold);
  margin-bottom: 0.5rem;
}

.dr-day-step-title {
  font-family: var(--dr-font-display);
  font-size: 1.3rem;
  color: var(--dr-charcoal);
  margin-bottom: 0.4rem;
}

.dr-day-step-desc {
  color: var(--dr-text-secondary);
  font-size: 0.975rem;
  line-height: 1.7;
}

/* ---- Cursor custom (subtle) ---- */
@media (pointer: fine) {
  .dr-cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--dr-gold);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease;
    transform: translate(-50%, -50%);
  }
}

/* ---- Grain texture overlay ---- */
.dr-grain-overlay {
  position: relative;
}

.dr-grain-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 128px;
  pointer-events: none;
}

/* ---- Smooth scroll progress indicator ---- */
#dr-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--dr-burgundy), var(--dr-gold));
  z-index: 9990;
  width: 0%;
  transition: width 0.1s linear;
}

/* ---- Page load transitions ---- */
.dr-page-transition {
  animation: drFadeIn 0.5s ease both;
}

/* ---- Interactive hover card ---- */
.dr-hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dr-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--dr-shadow-medium);
}

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