/* ============================================================
   ANIMACIONES PREMIUM GOLD – Draft Design Web
   Microinteracciones, efectos 3D, reflejos dorados y lujo visual
============================================================ */

/* ============================================================
   ADVERTENCIA SOBRE 'mask' Y '-webkit-mask'
   -----------------------------------------
   ✔ 'mask' es estándar (Chrome, Edge, Safari)
   ✔ '-webkit-mask' es necesaria para WebKit/Blink
   ⚠ Firefox NO soporta ninguna
   ✔ Fallback incluido en .border-animated
============================================================ */

/* -----------------------------------
   Fade-in básico (suave y elegante)
----------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeInUp 0.75s cubic-bezier(0.25, 0.9, 0.25, 1) forwards;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------------
   Fade-in lateral
----------------------------------- */
.fade-left {
  opacity: 0;
  transform: translateX(-28px);
  animation: fadeLeft 0.75s cubic-bezier(0.25, 0.9, 0.25, 1) forwards;
}
@keyframes fadeLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-right {
  opacity: 0;
  transform: translateX(28px);
  animation: fadeRight 0.75s cubic-bezier(0.25, 0.9, 0.25, 1) forwards;
}
@keyframes fadeRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* -----------------------------------
   Fade + Scale (entrada premium)
----------------------------------- */
.fade-scale {
  opacity: 0;
  transform: scale(0.88);
  animation: fadeScale 0.85s cubic-bezier(0.25, 0.9, 0.25, 1) forwards;
}
@keyframes fadeScale {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* -----------------------------------
   Fade + Blur cinematográfico
----------------------------------- */
.fade-blur {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(22px);
  animation: fadeBlur 1s ease forwards;
}
@keyframes fadeBlur {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(22px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

/* -----------------------------------
   Stagger (entrada escalonada)
----------------------------------- */
.stagger > * {
  opacity: 0;
  transform: translateY(12px);
  animation: staggerIn 0.55s cubic-bezier(0.25, 0.9, 0.25, 1) forwards;
}
.stagger > *:nth-child(1) {
  animation-delay: 0.1s;
}
.stagger > *:nth-child(2) {
  animation-delay: 0.2s;
}
.stagger > *:nth-child(3) {
  animation-delay: 0.3s;
}
.stagger > *:nth-child(4) {
  animation-delay: 0.4s;
}
.stagger > *:nth-child(5) {
  animation-delay: 0.5s;
}

@keyframes staggerIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------------
   Hover glow GOLD (brillo cálido)
----------------------------------- */
.hover-glow {
  transition:
    box-shadow 0.35s ease,
    transform 0.25s ease;
}
.hover-glow:hover {
  box-shadow: 0 14px 38px rgba(201, 168, 106, 0.35);
  transform: translateY(-6px);
}

/* -----------------------------------
   Hover 3D con reflejo dorado
----------------------------------- */
.hover-3d {
  transition:
    transform 0.45s cubic-bezier(0.2, 0.9, 0.2, 1),
    filter 0.45s ease;
  transform-style: preserve-3d;
}
.hover-3d:hover {
  transform: rotateX(7deg) rotateY(-7deg);
  filter: drop-shadow(0 0 12px rgba(201, 168, 106, 0.45));
}

/* -----------------------------------
   Subrayado GOLD
----------------------------------- */
.link-underline {
  position: relative;
  display: inline-block;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: 70%;
  height: 2px;
  background: linear-gradient(90deg, #c9a86a, #e3c68b, #c9a86a);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.link-underline:hover::after {
  transform: translateX(-50%) scaleX(1);
}

/* -----------------------------------
   Reveal on scroll
----------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.96);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* -----------------------------------
   CTA Pulse GOLD
----------------------------------- */
.cta-pulse {
  animation: pulseGold 2.8s infinite;
}
@keyframes pulseGold {
  0% {
    box-shadow: 0 0 0 0 rgba(201, 168, 106, 0.15);
  }
  70% {
    box-shadow: 0 0 0 22px rgba(201, 168, 106, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(201, 168, 106, 0);
  }
}

/* -----------------------------------
   Card tilt 3D GOLD
----------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .card-tilt {
    transition:
      transform 0.35s cubic-bezier(0.2, 0.9, 0.2, 1),
      box-shadow 0.35s;
    transform-origin: center;
  }
  .card-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg) translateY(-8px);
    box-shadow: 0 22px 50px rgba(201, 168, 106, 0.45);
  }
}

/* -----------------------------------
   Borde animado GOLD (oro líquido)
----------------------------------- */
.border-animated {
  position: relative;
  border: 1px solid rgba(201, 168, 106, 0.25);
  border-radius: 12px;
}

.border-animated::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;

  background: linear-gradient(120deg, #c9a86a, #e3c68b, #c9a86a);
  background-size: 200% 200%;
  animation: borderGoldFlow 3s ease infinite;

  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);

  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

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

/* -----------------------------------
   SVG stroke draw GOLD
----------------------------------- */
.svg-draw path,
.svg-draw circle,
.svg-draw rect {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  stroke: #c9a86a !important;
  animation: drawGold 1.6s ease forwards;
}
@keyframes drawGold {
  to {
    stroke-dashoffset: 0;
  }
}

/* -----------------------------------
   SVG glow GOLD
----------------------------------- */
.svg-glow {
  transition: filter 0.3s ease;
}
.svg-glow:hover {
  filter: drop-shadow(0 0 12px rgba(201, 168, 106, 0.75));
}

/* -----------------------------------
   Loader GOLD
----------------------------------- */
.loader {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(201, 168, 106, 0.15);
  border-top-color: #c9a86a;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* -----------------------------------
   Botón con brillo dorado
----------------------------------- */
.btn-shine {
  position: relative;
  overflow: hidden;
}
.btn-shine::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 80%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  transform: skewX(-20deg);
  animation: shineGold 3s infinite;
}
@keyframes shineGold {
  0% {
    left: -120%;
  }
  60% {
    left: 140%;
  }
  100% {
    left: 140%;
  }
}

/* -----------------------------------
   Luxury fade GOLD
----------------------------------- */
.luxury-fade {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(24px);
  animation: luxuryFadeGold 1.2s ease forwards;
}
@keyframes luxuryFadeGold {
  0% {
    opacity: 0;
    filter: blur(6px);
    transform: translateY(24px);
  }
  60% {
    opacity: 0.75;
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

/* -----------------------------------
   Zoom-in GOLD
----------------------------------- */
.zoom-in {
  opacity: 0;
  transform: scale(0.82);
  animation: zoomInGold 0.85s cubic-bezier(0.25, 0.9, 0.25, 1) forwards;
}
@keyframes zoomInGold {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* -----------------------------------
   Slide-up GOLD
----------------------------------- */
.slide-up {
  opacity: 0;
  transform: translateY(32px);
  animation: slideUpGold 0.9s cubic-bezier(0.2, 0.9, 0.2, 1) forwards;
}
@keyframes slideUpGold {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/*------------------------------------
   Bounce-in GOLD LOGO
------------------------------------*/
/* Contenedor del logo */
.logo {
  position: relative;
  display: inline-block;
}

/* Imagen del logo */
.logo-img {
  display: block;
  border-radius: 50%;
  position: relative;
  z-index: 2;
}

/* Destello dorado exterior lateral */
.logo::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -10px; /* destello por fuera */
  transform: translateY(-50%);
  width: 1px;
  height: 0%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(201, 168, 106, 0.9),
    transparent
  );
  border-radius: 3px;
  opacity: 0;
  transition:
    opacity 0.25s ease,
    height 0.35s ease;
  pointer-events: none;
}

/* Activación del destello */
.logo:hover::after {
  opacity: 1;
  height: 55%; /* crece suavemente */
}