/* ================================================================
   ANIMATIONS.CSS — Scroll Reveal, Parallax, Effets visuels
   ================================================================ */

/* ============================================================
   SCROLL REVEAL — IntersectionObserver
   ============================================================ */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale,
.reveal-fade {
    opacity: 0;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal         { transform: translateY(40px); }
.reveal-left    { transform: translateX(-50px); }
.reveal-right   { transform: translateX(50px); }
.reveal-scale   { transform: scale(0.88); }
.reveal-fade    { transform: none; }

/* Délais en cascade */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* État visible */
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible,
.reveal-fade.visible {
    opacity: 1;
    transform: none;
}

/* ============================================================
   PARALLAX HERO
   ============================================================ */
.parallax-layer {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* ============================================================
   GRADIENT ANIMATED BORDER
   ============================================================ */
.border-gradient {
    position: relative;
}

.border-gradient::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.border-gradient:hover::before { opacity: 1; }

/* ============================================================
   FLOATING ANIMATION
   ============================================================ */
.float {
    animation: floatUpDown 4s ease-in-out infinite;
}

.float-slow {
    animation: floatUpDown 6s ease-in-out infinite;
}

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

/* ============================================================
   GLOW PULSE
   ============================================================ */
.glow-pulse {
    animation: glowPulse 2.5s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 15px rgba(46,163,242,0.2); }
    50%       { box-shadow: 0 0 35px rgba(46,163,242,0.5), 0 0 60px rgba(46,163,242,0.2); }
}

/* ============================================================
   TYPEWRITER CURSOR
   ============================================================ */
.typewriter::after {
    content: '|';
    color: var(--clr-primary);
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

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

/* ============================================================
   COUNTER ANIMATION (JS trigger)
   ============================================================ */
.counter {
    display: inline-block;
}

/* ============================================================
   GRADIENT MESH BACKGROUND
   ============================================================ */
.mesh-bg {
    position: relative;
    overflow: hidden;
}

.mesh-bg::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle at center,
        rgba(46,163,242,0.06) 0%,
        rgba(139,92,246,0.04) 40%,
        transparent 70%
    );
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 0;
}

/* ============================================================
   CARD HOVER SHINE
   ============================================================ */
.card-shine {
    position: relative;
    overflow: hidden;
}

.card-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -75%;
    width: 50%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent 0%,
        rgba(255,255,255,0.04) 50%,
        transparent 100%
    );
    transform: skewX(-25deg);
    transition: left 0.6s ease;
}

.card-shine:hover::after { left: 150%; }

/* ============================================================
   ICON ANIMATION
   ============================================================ */
.icon-bounce {
    transition: transform var(--transition-base);
}

.icon-bounce:hover {
    transform: translateY(-4px) scale(1.1);
}

/* ============================================================
   NEON LINE DIVIDER
   ============================================================ */
.divider-neon {
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--clr-primary) 30%,
        var(--clr-accent) 70%,
        transparent 100%
    );
    margin: 3rem 0;
    position: relative;
}

.divider-neon::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(46,163,242,0.3),
        transparent
    );
    filter: blur(4px);
}

/* ============================================================
   SERVICE ICON RING
   ============================================================ */
.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(46,163,242,0.1);
    border: 1px solid rgba(46,163,242,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: all var(--transition-base);
    position: relative;
}

.service-icon svg, .service-icon i {
    width: 28px;
    height: 28px;
    color: var(--clr-primary);
    font-size: 1.5rem;
    transition: transform var(--transition-base);
}

.card:hover .service-icon {
    background: rgba(46,163,242,0.2);
    box-shadow: 0 0 20px rgba(46,163,242,0.25);
    transform: scale(1.1) rotate(-3deg);
}

.card:hover .service-icon svg,
.card:hover .service-icon i {
    transform: scale(1.1);
}

/* ============================================================
   TESTIMONIAL SLIDER
   ============================================================ */
.testimonials-track {
    display: flex;
    gap: 1.25rem;
    width: max-content;
    animation: scrollTrack 40s linear infinite;
}

.testimonials-track:hover { animation-play-state: paused; }

@keyframes scrollTrack {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--clr-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader__ring {
    width: 50px;
    height: 50px;
    border: 3px solid var(--clr-border);
    border-top-color: var(--clr-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   CANVAS PARTICLES (hero background)
   ============================================================ */
#particlesCanvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

/* ============================================================
   THEME TRANSITION
   ============================================================ */
.theme-transition * {
    transition: background-color 0.4s ease,
                border-color 0.4s ease,
                color 0.2s ease !important;
}