/* ============================================================
   MOTION LAYER — Premium Animation System
   Arquivo isolado. Não altera nenhum estilo existente.
   Todas as classes são aditivas (prefixo .m-*)
   ============================================================ */

/* ---------- Prevent animation overflow ---------- */
.heroSection {
  overflow: hidden;
}

/* ---------- Fix double scrollbar ---------- */
/* overflow-x: clip clips like hidden but does NOT create a scroll container,
   so .container won't generate its own scrollbar. */
.container {
  overflow-x: clip;
}

/* ---------- Custom Scrollbar ---------- */

/* Webkit (Chrome, Edge, Safari) */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--cor-fundo-escuro);
}

::-webkit-scrollbar-thumb {
  background: var(--cor-primaria-dark);
  border-radius: 5px;
  border: 2px solid var(--cor-fundo-escuro);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cor-primaria);
}

/* Firefox */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--cor-primaria-dark) var(--cor-fundo-escuro);
}

/* ---------- Custom Easing Tokens ---------- */
:root {
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --motion-duration: 0.8s;
  --motion-stagger: 0.1s;
}

/* ---------- prefers-reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .m-reveal,
  .m-fade-up,
  .m-fade-down,
  .m-fade-left,
  .m-fade-right,
  .m-scale-in,
  .m-hero-text,
  .m-hero-tag,
  .m-hero-buttons,
  .m-stagger-child {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   1. REVEAL SYSTEM — Intersection Observer driven
   ============================================================ */

/* Base: hidden state */
.m-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--motion-duration) var(--ease-out-expo),
    transform var(--motion-duration) var(--ease-out-expo);

}

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

/* Directional Variants */
.m-fade-up {
  opacity: 0;
  transform: translateY(50px);
  transition:
    opacity var(--motion-duration) var(--ease-out-expo),
    transform var(--motion-duration) var(--ease-out-expo);

}

.m-fade-up.m-revealed {
  opacity: 1;
  transform: translateY(0);
}

.m-fade-down {
  opacity: 0;
  transform: translateY(-30px);
  transition:
    opacity var(--motion-duration) var(--ease-out-expo),
    transform var(--motion-duration) var(--ease-out-expo);

}

.m-fade-down.m-revealed {
  opacity: 1;
  transform: translateY(0);
}

.m-fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--motion-duration) var(--ease-out-expo),
    transform var(--motion-duration) var(--ease-out-expo);

}

.m-fade-left.m-revealed {
  opacity: 1;
  transform: translateX(0);
}

.m-fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--motion-duration) var(--ease-out-expo),
    transform var(--motion-duration) var(--ease-out-expo);

}

.m-fade-right.m-revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale In */
.m-scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity var(--motion-duration) var(--ease-out-expo),
    transform var(--motion-duration) var(--ease-out-expo);

}

.m-scale-in.m-revealed {
  opacity: 1;
  transform: scale(1);
}

/* ============================================================
   2. STAGGER — Children animate sequentially
   ============================================================ */

.m-stagger-child {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s var(--ease-out-expo),
    transform 0.6s var(--ease-out-expo);

}

.m-stagger-child.m-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays via CSS custom property set by JS */
.m-stagger-child {
  transition-delay: var(--m-delay, 0s);
}

/* ============================================================
   3. HERO SECTION — Entrance choreography
   ============================================================ */

/* Tag: slide down + fade */
.m-hero-tag {
  opacity: 0;
  transform: translateY(-20px);
  animation: m-hero-tag-in 0.7s var(--ease-out-expo) 0.2s forwards;
}

@keyframes m-hero-tag-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero heading */
.m-hero-heading {
  opacity: 0;
  transform: translateY(30px);
  animation: m-hero-heading-in 0.9s var(--ease-out-expo) 0.35s forwards;
}

@keyframes m-hero-heading-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero paragraph */
.m-hero-paragraph {
  opacity: 0;
  transform: translateY(25px);
  animation: m-hero-paragraph-in 0.8s var(--ease-out-expo) 0.5s forwards;
}

@keyframes m-hero-paragraph-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero buttons */
.m-hero-buttons {
  opacity: 0;
  transform: translateY(20px);
  animation: m-hero-buttons-in 0.7s var(--ease-out-expo) 0.65s forwards;
}

@keyframes m-hero-buttons-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero posts panel */
.m-hero-posts {
  opacity: 0;
  transform: translateX(50px);
  animation: m-hero-posts-in 0.9s var(--ease-out-expo) 0.4s forwards;
}

@keyframes m-hero-posts-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================================
   4. PARALLAX — Subtle depth on scroll
   ============================================================ */

.m-parallax-container {
  overflow: hidden;
  position: relative;
}

.m-parallax-bg {
  transition: transform 0.1s linear;
}

/* ============================================================
   5. GALLERY — Enhanced hover microinteractions
   ============================================================ */

/* Smooth zoom on gallery images */
.galleryItem.m-gallery-enhanced img {
  transition: transform 0.7s var(--ease-out-expo);
}

.galleryItem.m-gallery-enhanced:hover img {
  transform: scale(1.08);
}

/* Overlay icon — scale + rotate in */
.galleryItem.m-gallery-enhanced .galleryOverlay i {
  transition:
    transform 0.5s var(--ease-out-back),
    opacity 0.4s var(--ease-out-expo);
  transform: translate(-50%, -50%) scale(0.7) rotate(-15deg);
  opacity: 0;
}

.galleryItem.m-gallery-enhanced:hover .galleryOverlay i {
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
  opacity: 1;
}

/* Overlay caption — slide up */
.galleryItem.m-gallery-enhanced .galleryOverlay span {
  transform: translateY(10px);
  opacity: 0;
  transition:
    transform 0.5s var(--ease-out-expo) 0.05s,
    opacity 0.4s var(--ease-out-expo) 0.05s;
}

.galleryItem.m-gallery-enhanced:hover .galleryOverlay span {
  transform: translateY(0);
  opacity: 1;
}

/* Overlay gradient — smoother */
.galleryItem.m-gallery-enhanced .galleryOverlay {
  transition: opacity 0.5s var(--ease-smooth);
}

/* ============================================================
   6. CARD ELEVATIONS — Progressive hover
   ============================================================ */

/* About cards — smooth lift */
.aboutCard.m-card-lift {
  transition:
    transform 0.5s var(--ease-out-expo),
    box-shadow 0.5s var(--ease-out-expo),
    border-bottom-color 0.3s ease;
}

.aboutCard.m-card-lift:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

/* About card icon — subtle pulse on hover */
.aboutCard.m-card-lift:hover .aboutIcon {
  animation: m-icon-pulse 0.6s var(--ease-out-expo);
}

@keyframes m-icon-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* Post cards — enhanced slide */
.postCard.m-card-slide {
  transition:
    transform 0.4s var(--ease-out-expo),
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.4s var(--ease-out-expo);
}

.postCard.m-card-slide:hover {
  transform: translateX(10px);
  box-shadow: 0 4px 20px rgba(197, 165, 114, 0.15);
}

/* Video cards — smooth lift */
.videoCard.m-video-lift {
  transition:
    transform 0.5s var(--ease-out-expo),
    border-color 0.3s ease,
    box-shadow 0.5s var(--ease-out-expo);
}

.videoCard.m-video-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6);
}

/* ============================================================
   7. BUTTON ENHANCEMENTS — Refined press + hover
   ============================================================ */

.m-btn-premium {
  transition:
    transform 0.35s var(--ease-out-expo),
    box-shadow 0.35s var(--ease-out-expo),
    background 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.m-btn-premium:hover {
  transform: translateY(-3px);
}

.m-btn-premium:active {
  transform: translateY(0) scale(0.97);
  transition-duration: 0.1s;
}

/* Shine effect on hover */
.m-btn-premium::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: none;
  pointer-events: none;
}

.m-btn-premium:hover::after {
  animation: m-btn-shine 0.6s var(--ease-out-expo);
}

@keyframes m-btn-shine {
  from { left: -100%; }
  to { left: 120%; }
}

/* Arrow icon slide on hover */
.m-btn-premium:hover i.fa-arrow-right {
  transform: translateX(5px);
  transition: transform 0.3s var(--ease-out-expo);
}

/* ============================================================
   8. HEADER — Subtle entrance
   ============================================================ */

.m-header-enter .topHeader {
  animation: m-header-fade 0.6s var(--ease-out-expo) 0.1s both;
}

.m-header-enter .bottomHeader {
  animation: m-header-fade 0.5s var(--ease-out-expo) 0.25s both;
}

@keyframes m-header-fade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   9. FOOTER — Reveal on scroll
   ============================================================ */

.siteFooter.m-reveal .footerLeft {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity 0.8s var(--ease-out-expo),
    transform 0.8s var(--ease-out-expo);
}

.siteFooter.m-revealed .footerLeft {
  opacity: 1;
  transform: translateX(0);
}

.siteFooter.m-reveal .footerRight {
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity 0.8s var(--ease-out-expo) 0.15s,
    transform 0.8s var(--ease-out-expo) 0.15s;
}

.siteFooter.m-revealed .footerRight {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   10. SECTION DIVIDERS — Gold line animation
   ============================================================ */

.m-section-line {
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cor-primaria), transparent);
  margin: 0 auto;
  transition: width 1.2s var(--ease-out-expo);
  border: none;
}

.m-section-line.m-revealed {
  width: 120px;
}

/* ============================================================
   11. HIGHLIGHT BOX — Enhanced entrance
   ============================================================ */

.aboutHighlight.m-highlight-enter {
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition:
    opacity 0.8s var(--ease-out-expo),
    transform 0.8s var(--ease-out-expo);
}

.aboutHighlight.m-highlight-enter.m-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Highlight icon — rotate in */
.aboutHighlight.m-highlight-enter .highlightIcon {
  transition: transform 0.7s var(--ease-out-back) 0.3s;
}

.aboutHighlight.m-highlight-enter.m-revealed .highlightIcon {
  animation: m-highlight-icon-in 0.8s var(--ease-out-back) 0.3s both;
}

@keyframes m-highlight-icon-in {
  from {
    transform: scale(0.5) rotate(-20deg);
    opacity: 0;
  }
  to {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

/* ============================================================
   12. FLOATING SUBTLE ANIMATION — For icons
   ============================================================ */

@keyframes m-float-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.m-float {
  animation: m-float-gentle 4s ease-in-out infinite;
}

/* ============================================================
   13. GALLERY GRID — Stagger reveal with scale
   ============================================================ */

.galleryItem.m-gallery-reveal {
  opacity: 0;
  transform: scale(0.9) translateY(20px);
  transition:
    opacity 0.6s var(--ease-out-expo),
    transform 0.6s var(--ease-out-expo);
  transition-delay: var(--m-delay, 0s);
}

.galleryItem.m-gallery-reveal.m-revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* ============================================================
   14. ALBUM CARDS — Enhanced (galeria page)
   ============================================================ */

.albumCard.m-album-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo);
  transition-delay: var(--m-delay, 0s);
}

.albumCard.m-album-reveal.m-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   15. HERO ATMOSFÉRICO — Fullscreen background with crossfade
   ============================================================ */

.heroSection {
  position: relative;
  z-index: 1;
  min-height: 75vh;
}

.heroContent {
  position: relative;
  z-index: 2;
}

/* Background container */
.m-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.m-hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s var(--ease-smooth);
  animation: m-hero-zoom 20s linear infinite alternate;
}

.m-hero-bg-img.m-hero-bg-active {
  opacity: 1;
}

@keyframes m-hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

/* Overlay */
.m-hero-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(30, 20, 15, 0.78) 0%,
    rgba(20, 12, 8, 0.82) 50%,
    rgba(30, 20, 15, 0.75) 100%
  );
}

/* Reduced motion: no zoom, no crossfade */
@media (prefers-reduced-motion: reduce) {
  .m-hero-bg-img {
    animation: none !important;
    transition: none !important;
  }
  .m-hero-bg-img:first-child {
    opacity: 1 !important;
  }
}

/* ============================================================
   16. MOBILE — Reduced motion intensity
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --motion-duration: 0.5s;
  }
}

/* ============================================================
   17. SMOOTH SCROLL
   ============================================================ */

html {
  scroll-behavior: smooth;
}