/* ============================================
   ANIMATIONS — Keyframes & Animation Classes
   ============================================ */

/* === PAGE LOADER === */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-smooth), visibility 0.6s;
}

.loader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.loader__icon {
  width: 56px;
  height: 62px;
  color: var(--color-accent);
  animation: loaderColibri 2.4s ease-in-out infinite;
  filter: drop-shadow(0 4px 18px rgba(201, 168, 76, 0.3));
}

@keyframes loaderColibri {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-6px) rotate(-3deg); }
  75% { transform: translateY(-3px) rotate(3deg); }
}

.loader__text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text-light);
  letter-spacing: var(--tracking-wide);
  opacity: 0.9;
}

.loader__bar {
  width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--space-sm);
}

.loader__progress {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  animation: loaderFill 2.2s var(--ease-out-expo) forwards;
}

@keyframes loaderFill {
  0% { width: 0%; }
  60% { width: 70%; }
  100% { width: 100%; }
}

/* === CUSTOM CURSOR === */
.custom-cursor {
  position: fixed;
  top: -12px;
  left: -12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--color-primary);
  pointer-events: none;
  z-index: var(--z-cursor);
  mix-blend-mode: difference;
  transition: width 0.4s var(--ease-out-expo),
              height 0.4s var(--ease-out-expo),
              top 0.4s var(--ease-out-expo),
              left 0.4s var(--ease-out-expo),
              background 0.3s,
              border-color 0.3s;
  will-change: transform;
}

.cursor--hover {
  width: 56px;
  height: 56px;
  top: -28px;
  left: -28px;
  background: rgba(var(--color-primary-rgb), 0.08);
  border-color: var(--color-accent);
}

.cursor--text {
  width: 3px;
  height: 32px;
  border-radius: 2px;
  top: -16px;
  left: -1.5px;
  background: var(--color-accent);
  border: none;
}

.cursor--hidden {
  width: 0;
  height: 0;
  opacity: 0;
}

@media (pointer: coarse) {
  .custom-cursor { display: none !important; }
}

/* === SCROLL INDICATOR === */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  z-index: var(--z-above);
}

.hero__scroll-text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: rgba(255, 255, 255, 0.4);
}

.hero__scroll-line {
  width: 1px;
  height: 50px;
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--color-accent));
  animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollLineMove {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* === GENERIC KEYFRAMES === */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

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

/* Leaf floating (decoracion botanica) */
@keyframes leafFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-8px) rotate(3deg);
  }
  75% {
    transform: translateY(5px) rotate(-2deg);
  }
}

/* Gold shine sweep */
@keyframes goldSweep {
  0% { left: -100%; }
  100% { left: 200%; }
}