/* ============================================
   LUF LATAM — Animaciones y transiciones
   Scroll animations, parallax, hover effects
   ============================================ */

/* --- Scroll Reveal Animations --- */

/* Base hidden state for all animated elements */
[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide from left */
[data-animate="slide-left"] {
  transform: translateX(-60px);
}
[data-animate="slide-left"].visible {
  transform: translateX(0);
}

/* Slide from right */
[data-animate="slide-right"] {
  transform: translateX(60px);
}
[data-animate="slide-right"].visible {
  transform: translateX(0);
}

/* Scale up */
[data-animate="scale"] {
  transform: scale(0.9);
}
[data-animate="scale"].visible {
  transform: scale(1);
}

/* Fade only */
[data-animate="fade"] {
  transform: none;
}

/* Stagger delays for grids */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }

/* --- Hero parallax background --- */
.hero-bg img {
  transition: transform 0.1s linear;
}

/* --- Gold line reveal --- */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 24px;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gold-line.visible {
  transform: scaleX(1);
}

/* --- Counter animation --- */
@keyframes count-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Card hover shimmer --- */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(201, 162, 77, 0.04),
    transparent
  );
  transition: left 0.6s ease;
  pointer-events: none;
}

.card:hover::after {
  left: 100%;
}

/* --- Button hover glow pulse --- */
.btn-primary::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50px;
  background: var(--gold);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
  filter: blur(12px);
}

.btn-primary {
  position: relative;
  z-index: 1;
}

.btn-primary:hover::before {
  opacity: 0.3;
}

/* --- Benefit item slide --- */
.benefit-item {
  transform: translateX(0);
  transition: transform 0.3s ease, background 0.3s ease;
}

/* --- Stat item hover --- */
.stat-item {
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
}

.stat-item:hover .stat-icon svg {
  transform: scale(1.1);
  transition: transform 0.3s ease;
}

/* --- Section separator wave --- */
.section-wave {
  position: relative;
  height: 60px;
  overflow: hidden;
}

.section-wave::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: -5%;
  width: 110%;
  height: 100%;
  background: var(--section-dark);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

/* --- Smooth underline for links --- */
.animated-underline {
  position: relative;
  display: inline-block;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* --- News card hover border --- */
.news-card {
  position: relative;
  overflow: hidden;
}

.news-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}

.news-card:hover::before {
  transform: translateX(0);
}

/* --- Form input focus animation --- */
.form-group input,
.form-group textarea {
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

/* --- Toast slide-up animation --- */
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.form-toast.visible {
  animation: toast-in 0.4s ease forwards;
}

/* --- Gold gradient text (for special headings) --- */
.text-gradient {
  background: linear-gradient(135deg, var(--gold), #e6d5a8, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Navbar show/hide on scroll --- */
.navbar {
  transition: transform 0.3s ease, background 0.3s ease, padding 0.3s ease;
}

.navbar.hidden {
  transform: translateY(-100%);
}

/* --- Mobile menu overlay --- */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* --- Loading skeleton for images --- */
.img-lazy {
  background: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

.img-lazy.loaded {
  animation: none;
  background: none;
}

/* --- Scroll progress bar (gold) --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gold);
  z-index: 101;
  transition: width 0.1s linear;
  width: 0%;
}