/* =========================================================
   ANIMATIONS.CSS — Florian Garcia / pandaneva.com
   Couche d'animations additionnelle, ne modifie pas
   les fichiers d'origine du thème (agency / pandaneva).
   ========================================================= */

/* ---------- Base : easing & respect des préférences ---------- */
:root{
    --ease-out-quart: cubic-bezier(.25,1,.5,1);
    --ease-out-back:  cubic-bezier(.34,1.56,.64,1);
    --gold: #fed136;
    --gold-dark: #fec503;
}

@media (prefers-reduced-motion: reduce){
    *,
    *::before,
    *::after{
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal{ opacity:1 !important; transform:none !important; }
}

html{ scroll-behavior: smooth; }

/* ---------- Accessibilité clavier : focus toujours visible ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
.navbar-toggle:focus-visible{
    outline: 3px solid var(--gold-dark);
    outline-offset: 3px;
}

.skip-link:focus,
.skip-link:active{
    position: fixed !important;
    top: 0;
    left: 0;
    z-index: 3000;
    background: #fff;
    color: #222 !important;
    padding: 10px 16px !important;
    border-radius: 0 0 4px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
}

/* =========================================================
   1) BARRE DE PROGRESSION DE SCROLL
   ========================================================= */
#scrollProgress{
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--gold), #fff2c4, var(--gold-dark));
    background-size: 200% 100%;
    z-index: 2000;
    transition: width .1s linear;
    animation: progressShimmer 3s linear infinite;
}
@keyframes progressShimmer{
    0%{ background-position: 0% 0; }
    100%{ background-position: 200% 0; }
}

/* =========================================================
   2) NAVIGATION
   ========================================================= */
.navbar-default{
    transition: background-color .4s var(--ease-out-quart), box-shadow .4s ease, padding .4s ease;
}
.navbar-default.navbar-shrink{
    box-shadow: 0 4px 18px rgba(0,0,0,.15);
}
.navbar-brand.page-scroll{
    position: relative;
    transition: color .3s ease, transform .3s var(--ease-out-back);
}
.navbar-brand.page-scroll:hover{
    transform: translateY(-1px) scale(1.03);
}

.navbar-nav.navbar-right > li > a.page-scroll{
    position: relative;
    transition: color .3s ease;
}
.navbar-nav.navbar-right > li > a.page-scroll::after{
    content:"";
    position: absolute;
    left: 50%;
    bottom: 12px;
    width: 0%;
    height: 2px;
    background: var(--gold);
    transform: translateX(-50%);
    transition: width .35s var(--ease-out-quart);
}
.navbar-nav.navbar-right > li > a.page-scroll:hover::after,
.navbar-nav.navbar-right > li.active > a.page-scroll::after{
    width: 60%;
}

.navbar-toggle{
    transition: transform .3s ease;
}
.navbar-toggle:hover{
    transform: rotate(90deg);
}

/* menu mobile : entrée en cascade des liens */
.navbar-collapse.in .navbar-nav > li{
    animation: navItemIn .5s var(--ease-out-quart) both;
}
.navbar-collapse.in .navbar-nav > li:nth-child(1){ animation-delay: .03s; }
.navbar-collapse.in .navbar-nav > li:nth-child(2){ animation-delay: .09s; }
.navbar-collapse.in .navbar-nav > li:nth-child(3){ animation-delay: .15s; }
.navbar-collapse.in .navbar-nav > li:nth-child(4){ animation-delay: .21s; }
@keyframes navItemIn{
    from{ opacity:0; transform: translateX(20px); }
    to{ opacity:1; transform: translateX(0); }
}

/* =========================================================
   3) HEADER / HERO
   ========================================================= */
header{
    position: relative;
    overflow: hidden;
    background: none; /* le fond est désormais porté par ::after (voir plus bas) */
}

/* Couche de zoom séparée : on anime "transform" (accéléré GPU) plutôt que
   "background-size" (qui forcerait un repaint à chaque frame). */
header::after{
    content:"";
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: url(../img/header.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: scale(1);
    animation: heroZoom 18s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes heroZoom{
    0%{ transform: scale(1); }
    100%{ transform: scale(1.12); }
}

header::before{
    content:"";
    position:absolute;
    inset:0;
    background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.15) 45%, rgba(0,0,0,.5) 100%);
    z-index: -1;
    pointer-events: none;
}

/* formes flottantes décoratives */
.hero-shape{
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(254,209,54,.55), rgba(254,209,54,0) 70%);
    filter: blur(1px);
    pointer-events: none;
    z-index: 0;
    animation: floatShape 12s ease-in-out infinite;
}
.hero-shape.s1{ width: 220px; height: 220px; top: 8%;  left: 6%;  animation-duration: 14s; }
.hero-shape.s2{ width: 140px; height: 140px; bottom: 12%; left: 18%; animation-duration: 10s; animation-delay: 1.2s; }
.hero-shape.s3{ width: 300px; height: 300px; top: 15%; right: 8%;  animation-duration: 16s; animation-delay: .6s; }
.hero-shape.s4{ width: 90px;  height: 90px;  bottom: 20%; right: 20%; animation-duration: 9s;  animation-delay: 2s; }

@keyframes floatShape{
    0%,100%{ transform: translate(0,0) scale(1); }
    50%{ transform: translate(18px,-24px) scale(1.08); }
}

header .container{ position: relative; z-index: 1; }

header .intro-text .intro-heading{
    opacity: 0;
    animation: heroFadeUp .9s var(--ease-out-quart) .15s forwards;
}
header .intro-text .intro-lead-in{
    opacity: 0;
    animation: heroFadeUp .9s var(--ease-out-quart) .4s forwards;
}
header .intro-text > a.btn-xl{
    opacity: 0;
    animation: heroFadeUp .9s var(--ease-out-quart) .65s forwards;
}
@keyframes heroFadeUp{
    from{ opacity: 0; transform: translateY(28px); }
    to{ opacity: 1; transform: translateY(0); }
}

/* petite flèche invitant à scroller */
.scroll-hint{
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    z-index: 2;
    color: #fff;
    opacity: .85;
    animation: bounceHint 2.1s ease-in-out infinite;
    font-size: 22px;
    text-decoration: none;
}
.scroll-hint:hover{ color: var(--gold); }
@keyframes bounceHint{
    0%,100%{ transform: translate(-50%,0); }
    50%{ transform: translate(-50%,10px); }
}

/* =========================================================
   4) REVEAL ON SCROLL (générique)
   ========================================================= */
/* Ces règles ne s'appliquent que si le JavaScript est actif (classe .js posée
   au tout début du <head>). Sans JS, le contenu reste visible par défaut :
   dégradation gracieuse plutôt que contenu invisible et inaccessible. */
.js .reveal{
    opacity: 0;
    transform: translateY(40px);
    transition: opacity .7s var(--ease-out-quart), transform .7s var(--ease-out-quart);
    will-change: opacity, transform;
}
.js .reveal.reveal-left{ transform: translateX(-50px); }
.js .reveal.reveal-right{ transform: translateX(50px); }
.js .reveal.reveal-zoom{ transform: scale(.85); }
.js .reveal.reveal-fade{ transform: none; }

.js .reveal.is-visible{
    opacity: 1;
    transform: none;
    will-change: auto;
}

/* cascade au sein d'une grille (portfolio / journey / contact) */
.stagger-grid > .reveal:nth-child(1){ transition-delay: .00s; }
.stagger-grid > .reveal:nth-child(2){ transition-delay: .08s; }
.stagger-grid > .reveal:nth-child(3){ transition-delay: .16s; }
.stagger-grid > .reveal:nth-child(4){ transition-delay: .24s; }
.stagger-grid > .reveal:nth-child(5){ transition-delay: .32s; }
.stagger-grid > .reveal:nth-child(6){ transition-delay: .40s; }
.stagger-grid > .reveal:nth-child(7){ transition-delay: .48s; }
.stagger-grid > .reveal:nth-child(8){ transition-delay: .56s; }
.stagger-grid > .reveal:nth-child(9){ transition-delay: .64s; }
.stagger-grid > .reveal:nth-child(10){ transition-delay: .72s; }
.stagger-grid > .reveal:nth-child(11){ transition-delay: .80s; }
.stagger-grid > .reveal:nth-child(12){ transition-delay: .88s; }

/* =========================================================
   5) SECTION HEADINGS
   ========================================================= */
section h2.section-heading{
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
}
section h2.section-heading::after{
    content:"";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 3px;
    background: var(--gold);
    transform: translateX(-50%);
    transition: width .6s var(--ease-out-quart) .15s;
}
section h2.section-heading.is-visible::after{
    width: 70px;
}

/* =========================================================
   6) INTRO SECTION (photo + texte) — Animation originale
   ========================================================= */

/* Cadre englobant : porte le fondu d'apparition + héberge
   les couches décoratives (halo, anneaux) derrière la photo. */
.portrait-frame{
    position: relative;
    isolation: isolate;
    animation: portraitFloat 6s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce){
    .portrait-frame{ animation: none; }
}
@keyframes portraitFloat{
    0%,100%{ transform: translateY(0); }
    50%{ transform: translateY(-10px); }
}

/* Halo lumineux pulsant, légèrement décalable au survol (cf. JS) */
.portrait-glow{
    position: absolute;
    inset: 6%;
    z-index: -1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(254,209,54,.55) 0%, rgba(254,209,54,.18) 45%, rgba(254,209,54,0) 72%);
    filter: blur(6px);
    animation: portraitPulse 4.5s ease-in-out infinite;
    transition: transform .25s ease-out;
    pointer-events: none;
}
@keyframes portraitPulse{
    /* On anime uniquement l'opacité et le flou : la propriété "transform"
       reste entièrement disponible pour le déplacement piloté par le JS
       (mousemove), sans quoi l'animation l'écraserait à chaque frame. */
    0%,100%{ opacity:.55; filter: blur(6px); }
    50%{ opacity:1; filter: blur(10px); }
}

/* Deux anneaux pointillés qui tournent en sens opposés autour du portrait */
.portrait-ring{
    position: absolute;
    inset: -4%;
    border-radius: 50%;
    border: 2px dashed rgba(254,209,54,.55);
    z-index: -1;
    pointer-events: none;
}
.portrait-ring.ring-1{
    inset: -3%;
    animation: spin 22s linear infinite;
}
.portrait-ring.ring-2{
    inset: 3%;
    border-style: dotted;
    border-color: rgba(34,34,34,.18);
    animation: spin-reverse 16s linear infinite;
}
@keyframes spin{
    from{ transform: rotate(0deg); }
    to{ transform: rotate(360deg); }
}
@keyframes spin-reverse{
    from{ transform: rotate(0deg); }
    to{ transform: rotate(-360deg); }
}

/* La photo elle-même : légère mise en perspective pour le tilt 3D */
.portrait-img{
    position: relative;
    border-radius: 6px;
    transition: transform .25s ease-out, filter .4s ease;
    transform-style: preserve-3d;
    will-change: transform;
}
.portrait-tiltable{
    perspective: 900px;
}
.portrait-tiltable .portrait-img:hover{
    filter: drop-shadow(0 22px 30px rgba(0,0,0,.22));
}

/* =========================================================
   7) JOURNEY / TIMELINE (fa-stack)
   ========================================================= */
#journey .fa-stack{
    transition: transform .45s var(--ease-out-back);
}
#journey .col-md-3:hover .fa-stack{
    transform: translateY(-8px) rotate(-6deg) scale(1.06);
}
#journey .fa-stack .fa-circle{
    transition: color .4s ease;
}
#journey .col-md-3:hover .fa-stack .fa-circle{
    color: var(--gold-dark);
}
#journey .fa-stack img{
    transition: transform .5s var(--ease-out-quart);
}
#journey .col-md-3:hover .fa-stack img{
    transform: scale(1.08);
}

#journey .service-heading{
    transition: color .3s ease;
}
#journey .col-md-3:hover .service-heading{
    color: var(--gold-dark);
}

/* =========================================================
   8) PORTFOLIO
   ========================================================= */
.portfolio-item{
    transition: transform .45s var(--ease-out-quart);
}
.portfolio-item:hover{
    transform: translateY(-6px);
}
.portfolio-item .portfolio-link{
    display: block;
    overflow: hidden;
    position: relative;
    border-radius: 2px;
    box-shadow: 0 6px 18px rgba(0,0,0,0);
    transition: box-shadow .45s ease;
}
.portfolio-item:hover .portfolio-link{
    box-shadow: 0 14px 30px rgba(0,0,0,.22);
}
.portfolio-item .portfolio-link img{
    transition: transform .6s var(--ease-out-quart), filter .6s ease;
}
.portfolio-item:hover .portfolio-link img{
    transform: scale(1.12);
    filter: brightness(.75);
}
.portfolio-hover{
    transition: opacity .4s ease;
}
.portfolio-hover-content{
    transition: transform .5s var(--ease-out-back);
    transform: scale(.4) rotate(-20deg);
    opacity: 0;
}
.portfolio-item:hover .portfolio-hover-content{
    transform: scale(1) rotate(0deg);
    opacity: 1;
}
.portfolio-item:hover .portfolio-hover{
    opacity: 1;
}
.portfolio-caption h4{
    transition: color .3s ease, transform .3s ease;
}
.portfolio-item:hover .portfolio-caption h4{
    color: var(--gold-dark);
    transform: translateX(4px);
}

/* =========================================================
   9) BOUTONS
   ========================================================= */
.btn-xl,
a.btn.page-scroll{
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform .3s var(--ease-out-back), box-shadow .3s ease;
}
.btn-xl::before,
a.btn.page-scroll::before{
    content:"";
    position: absolute;
    top: 0; left: -120%;
    width: 60%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
    transform: skewX(-20deg);
    transition: left .6s ease;
    z-index: -1;
}
.btn-xl:hover::before,
a.btn.page-scroll:hover::before{
    left: 130%;
}
.btn-xl:hover,
a.btn.page-scroll:hover{
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(254,209,54,.35);
}
.btn-xl:active,
a.btn.page-scroll:active{
    transform: translateY(0);
}

/* =========================================================
   10) CONTACT
   ========================================================= */
/* Piège à robots : masqué visuellement, exclu du tabulateur, mais lisible en DOM (les bots naïfs le remplissent) */
.hp-field{
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

#contact .form-control{
    transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
#contact .form-control:focus{
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(254,209,54,.25);
    transform: translateY(-2px);
}
#contact button[type="submit"]{
    transition: transform .3s var(--ease-out-back), box-shadow .3s ease;
}
#contact button[type="submit"]:hover{
    transform: translateY(-3px) scale(1.03);
}
#success{
    transition: opacity .4s ease, transform .4s var(--ease-out-quart);
}

/* =========================================================
   11) FOOTER / SOCIAL
   ========================================================= */
.social-buttons li a{
    display: inline-block;
    transition: transform .35s var(--ease-out-back), color .3s ease, background-color .3s ease;
}
.social-buttons li a:hover{
    transform: translateY(-5px) rotate(8deg) scale(1.1);
}

.copyright{
    transition: opacity .3s ease;
}

/* =========================================================
   12) BACK TO TOP
   ========================================================= */
#backToTop{
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--gold);
    color: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 6px 16px rgba(0,0,0,.25);
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px) scale(.85);
    transition: opacity .35s ease, transform .35s var(--ease-out-back), background-color .3s ease;
    z-index: 1500;
    text-decoration: none;
    cursor: pointer;
}
#backToTop.visible{
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}
#backToTop:hover{
    background: var(--gold-dark);
    transform: translateY(-4px) scale(1.06);
}
#backToTop i{
    animation: arrowUp 1.8s ease-in-out infinite;
}
@keyframes arrowUp{
    0%,100%{ transform: translateY(0); }
    50%{ transform: translateY(-3px); }
}