/* ── KEYFRAMES ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

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

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.7;
  }
}

@keyframes scroll-line {
  0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 1;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
    opacity: 1;
  }
  100% {
    transform: scaleY(1);
    transform-origin: bottom;
    opacity: 0;
  }
}

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

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

@keyframes draw-line {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* ── REVEAL CLASSES (triggered by IntersectionObserver) ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ── STAGGER DELAYS ── */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ── HOVER ANIMATIONS ── */
.hover-lift {
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}

.hover-scale {
  transition: transform var(--transition-smooth);
}

.hover-scale:hover {
  transform: scale(1.03);
}

/* ── HERO ENTRANCE ── */
.hero-badge {
  animation: fadeInUp 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s both;
}

.hero-title {
  animation: fadeInUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.45s both;
}

.hero-subtitle {
  animation: fadeInUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s both;
}

.hero-actions {
  animation: fadeInUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.75s both;
}

.hero-scroll {
  animation: fadeIn 1s ease 1.5s both;
}

/* ── STAT COUNTER ANIMATION ── */
.stat-number {
  transition: transform 0.3s ease;
}

.stat-item:hover .stat-number {
  transform: scale(1.08);
}

/* ── IMAGE PARALLAX ── */
.parallax-image {
  will-change: transform;
  transition: none;
}

/* ── AMBIENT BG ── */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.35;
  animation: float-gentle 8s ease-in-out infinite;
}

.ambient-glow--sand {
  background-color: var(--color-sand);
}

.ambient-glow--ocean {
  background-color: var(--color-ocean-mist);
  animation-delay: -4s;
}

/* ── LOADING SHIMMER ── */
.shimmer-placeholder {
  background: linear-gradient(
    90deg,
    var(--color-sand-light) 0%,
    var(--color-sand) 50%,
    var(--color-sand-light) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s infinite;
  border-radius: var(--radius-md);
}

/* ── UNDERLINE DRAW ── */
.underline-draw {
  position: relative;
  display: inline-block;
}

.underline-draw::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(to right, var(--color-accent), var(--color-ocean-light));
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.underline-draw:hover::after,
.underline-draw.active::after {
  width: 100%;
}

/* ── CARD SHINE ── */
.card-shine {
  position: relative;
  overflow: hidden;
}

.card-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255,255,255,0.08) 50%,
    transparent 100%
  );
  transition: left 0.6s ease;
  pointer-events: none;
}

.card-shine:hover::after {
  left: 140%;
}

/* ── PAGE TRANSITION ── */
.page-transition {
  animation: fadeIn 0.4s ease both;
}

/* ── BUTTON RIPPLE ── */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
  opacity: 0;
}

.btn-ripple:active::before {
  width: 200px;
  height: 200px;
  opacity: 1;
}

/* ── SMOOTH SECTION ENTRANCE ── */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-badge,
  .hero-title,
  .hero-subtitle,
  .hero-actions,
  .hero-scroll {
    animation: none;
  }

  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}