/* ============================================================
   ADELINE FAUCHARD — Animations & Transitions
   ============================================================ */

/* ─── SCROLL REVEAL SYSTEM ──────────────────────────────────── */

/* Base state — hidden */
[data-reveal] {
  opacity: 0;
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
  will-change: opacity, transform;
}

[data-reveal="up"] {
  transform: translateY(50px);
}

[data-reveal="down"] {
  transform: translateY(-40px);
}

[data-reveal="left"] {
  transform: translateX(-60px);
}

[data-reveal="right"] {
  transform: translateX(60px);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="scale"] {
  transform: scale(0.92);
}

[data-reveal="blur"] {
  filter: blur(12px);
  transform: translateY(20px);
}

/* Revealed state */
[data-reveal].revealed {
  opacity: 1;
  transform: none;
  filter: none;
}

/* Delays */
[data-delay="100"] { transition-delay: 100ms !important; }
[data-delay="200"] { transition-delay: 200ms !important; }
[data-delay="300"] { transition-delay: 300ms !important; }
[data-delay="400"] { transition-delay: 400ms !important; }
[data-delay="500"] { transition-delay: 500ms !important; }
[data-delay="600"] { transition-delay: 600ms !important; }
[data-delay="700"] { transition-delay: 700ms !important; }
[data-delay="800"] { transition-delay: 800ms !important; }

/* Durations */
[data-dur="fast"]  { transition-duration: 500ms !important; }
[data-dur="slow"]  { transition-duration: 1.2s  !important; }
[data-dur="xslow"] { transition-duration: 1.6s  !important; }

/* ─── STAGGER CHILDREN ──────────────────────────────────────── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.stagger-children.revealed > *:nth-child(1)  { opacity: 1; transform: none; transition-delay: 0ms; }
.stagger-children.revealed > *:nth-child(2)  { opacity: 1; transform: none; transition-delay: 100ms; }
.stagger-children.revealed > *:nth-child(3)  { opacity: 1; transform: none; transition-delay: 200ms; }
.stagger-children.revealed > *:nth-child(4)  { opacity: 1; transform: none; transition-delay: 300ms; }
.stagger-children.revealed > *:nth-child(5)  { opacity: 1; transform: none; transition-delay: 400ms; }
.stagger-children.revealed > *:nth-child(6)  { opacity: 1; transform: none; transition-delay: 500ms; }
.stagger-children.revealed > *:nth-child(7)  { opacity: 1; transform: none; transition-delay: 600ms; }
.stagger-children.revealed > *:nth-child(8)  { opacity: 1; transform: none; transition-delay: 700ms; }
.stagger-children.revealed > *:nth-child(9)  { opacity: 1; transform: none; transition-delay: 800ms; }

/* ─── PARALLAX ──────────────────────────────────────────────── */
.parallax {
  will-change: transform;
}

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

/* ─── HERO ANIMATIONS ───────────────────────────────────────── */
@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes lineReveal {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

@keyframes slideInLeft {
  from { transform: translateX(-100px); opacity: 0; }
  to   { transform: translateX(0);      opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(100px); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0);    }
}

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1);   }
}

@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-15deg) scale(0.8); }
  to   { opacity: 1; transform: rotate(0)      scale(1);   }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0);     }
  50%       { transform: translateY(-12px); }
}

@keyframes borderDraw {
  from { stroke-dashoffset: 400; }
  to   { stroke-dashoffset: 0;   }
}

/* ─── GOLD SHIMMER TEXT ─────────────────────────────────────── */
.text-shimmer {
  background: linear-gradient(
    90deg,
    var(--gold) 0%,
    var(--gold-light) 30%,
    var(--cream) 50%,
    var(--gold-light) 70%,
    var(--gold) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ─── HOVER: IMAGE ZOOM ─────────────────────────────────────── */
.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform 0.8s var(--ease-out);
  will-change: transform;
}

.hover-zoom:hover img {
  transform: scale(1.06);
}

/* ─── HOVER: UNDERLINE SLIDE ────────────────────────────────── */
.hover-underline {
  position: relative;
  display: inline-block;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}

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

/* ─── HOVER: CARD LIFT ──────────────────────────────────────── */
.hover-lift {
  transition:
    transform 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

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

/* ─── REVEAL LINE ───────────────────────────────────────────── */
.reveal-line {
  overflow: hidden;
  display: block;
}

.reveal-line__inner {
  display: block;
  transition: transform 0.9s var(--ease-out);
}

.reveal-line__inner.hidden-line {
  transform: translateY(105%);
}

/* ─── SECTION TRANSITION ────────────────────────────────────── */
.section-enter {
  animation: fadeUp 0.8s var(--ease-out) both;
}

/* ─── COUNTER ANIMATION ─────────────────────────────────────── */
.count-up {
  display: inline-block;
  transition: all 2s var(--ease-out);
}

/* ─── MAGNETIC BUTTON ───────────────────────────────────────── */
.magnetic {
  display: inline-block;
  transition: transform 0.3s var(--ease-out);
}

/* ─── IMAGE CLIP REVEAL ─────────────────────────────────────── */
.clip-reveal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1s var(--ease-out);
}

.clip-reveal.revealed {
  clip-path: inset(0 0% 0 0);
}

/* ─── SPLIT TEXT ANIMATION ──────────────────────────────────── */
.split-text .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px) rotate(3deg);
  transition:
    opacity 0.5s var(--ease-out),
    transform 0.5s var(--ease-out);
}

.split-text.revealed .char {
  opacity: 1;
  transform: none;
}

/* Stagger chars */
.split-text.revealed .char:nth-child(1)  { transition-delay: 0ms;    }
.split-text.revealed .char:nth-child(2)  { transition-delay: 30ms;   }
.split-text.revealed .char:nth-child(3)  { transition-delay: 60ms;   }
.split-text.revealed .char:nth-child(4)  { transition-delay: 90ms;   }
.split-text.revealed .char:nth-child(5)  { transition-delay: 120ms;  }
.split-text.revealed .char:nth-child(6)  { transition-delay: 150ms;  }
.split-text.revealed .char:nth-child(7)  { transition-delay: 180ms;  }
.split-text.revealed .char:nth-child(8)  { transition-delay: 210ms;  }
.split-text.revealed .char:nth-child(9)  { transition-delay: 240ms;  }
.split-text.revealed .char:nth-child(10) { transition-delay: 270ms;  }
.split-text.revealed .char:nth-child(11) { transition-delay: 300ms;  }
.split-text.revealed .char:nth-child(12) { transition-delay: 330ms;  }

/* ─── BORDER ANIMATION ──────────────────────────────────────── */
.border-animate {
  position: relative;
}

.border-animate::before,
.border-animate::after {
  content: '';
  position: absolute;
  background: var(--gold);
  transition: transform 0.6s var(--ease-out);
}

.border-animate::before {
  top: 0; left: 0;
  width: 0; height: 1px;
  transition: width 0.6s var(--ease-out);
}

.border-animate::after {
  bottom: 0; right: 0;
  width: 0; height: 1px;
  transition: width 0.6s 0.2s var(--ease-out);
}

.border-animate:hover::before,
.border-animate:hover::after {
  width: 100%;
}

/* ─── TYPING CURSOR ─────────────────────────────────────────── */
.typing-cursor::after {
  content: '|';
  color: var(--gold);
  animation: blink 1s step-end infinite;
}

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

/* ─── GRADIENT TEXT ─────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--cream) 0%, var(--gold) 50%, var(--cream) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── NOISE TEXTURE ─────────────────────────────────────────── */
.noise-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.3;
  mix-blend-mode: overlay;
}

/* ─── MICRO-INTERACTIONS ────────────────────────────────────── */

/* Button press */
.btn:active {
  transform: scale(0.97);
}

/* Input focus ring */
.form-control:focus {
  box-shadow: 0 0 0 3px rgba(201, 162, 85, 0.1);
}

/* Card hover glow */
.card-glow {
  transition: box-shadow 0.4s var(--ease-out);
}

.card-glow:hover {
  box-shadow: 0 0 30px rgba(201, 162, 85, 0.08);
}

/* Image hover overlay */
.img-hover-overlay {
  position: relative;
  overflow: hidden;
}

.img-hover-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(0, 0, 0, 0.6) 100%
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

.img-hover-overlay:hover::after {
  opacity: 1;
}

/* ─── PAGE TRANSITIONS ──────────────────────────────────────── */
.page-transition {
  animation: pageEnter 0.6s var(--ease-out) both;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── SKELETON LOADING ──────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--dark-2) 25%,
    var(--dark-3) 50%,
    var(--dark-2) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--r-sm);
}

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

/* ─── NOTIFICATION BADGE ────────────────────────────────────── */
@keyframes notifPop {
  0%   { transform: scale(0); }
  70%  { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.notif-badge {
  animation: notifPop 0.3s var(--ease-spring) both;
}

/* ─── REDUCE 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;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
  }
}