/* ============================================
   EXAGROUP - Styles personnalisés
   ============================================ */

/* Navbar scroll effect */
.navbar-glass.scrolled {
    background: rgba(255, 255, 255, 0.7) !important;
    border-color: rgba(255, 255, 255, 0.7) !important;
    box-shadow: 0 20px 60px -30px rgba(15, 23, 42, 0.7) !important;
}

/* Fan Stack Animation (Hero Images) */
.fan-stack {
    position: relative;
    width: min(420px, 100%);
    margin: 0 auto;
    perspective: 1200px;
}

.fan-card {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(var(--fan-x)) rotate(var(--fan-rot)) scale(var(--fan-scale));
    transition: transform 800ms cubic-bezier(0.2, 0.8, 0.2, 1), z-index 800ms;
    will-change: transform;
}

.fan-card-inner {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 25px 60px -35px rgba(15, 23, 42, 0.6);
    animation: fanFloat 6s ease-in-out infinite;
}

.fan-card-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.fan-card-1 {
    --fan-x: -18%;
    --fan-rot: -10deg;
    --fan-scale: 0.92;
    z-index: 1;
}

.fan-card-2 {
    --fan-x: 0%;
    --fan-rot: 0deg;
    --fan-scale: 1;
    z-index: 3;
}

.fan-card-3 {
    --fan-x: 18%;
    --fan-rot: 10deg;
    --fan-scale: 0.9;
    z-index: 2;
}

.fan-card-1 .fan-card-inner {
    animation-delay: 0s;
}

.fan-card-2 .fan-card-inner {
    animation-delay: 1s;
}

.fan-card-3 .fan-card-inner {
    animation-delay: 2s;
}

@keyframes fanFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Card hover effects */
.card-hover {
    transition: all 0.5s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
}

/* Icon rotation on hover */
.icon-rotate:hover .icon {
    transform: scale(1.1) rotate(3deg);
}

/* Button gradient animation */
.btn-gradient {
    position: relative;
    overflow: hidden;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, #2c42da, #0c155a);
    transition: opacity 0.3s ease;
}

.btn-gradient::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, #0c155a, #2c42da);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-gradient:hover::after {
    opacity: 1;
}

.btn-gradient span {
    position: relative;
    z-index: 10;
}

/* Form inputs */
.form-input {
    transition: all 0.3s ease;
}

.form-input:focus {
    border-color: #2c42da;
    box-shadow: 0 0 0 3px rgba(44, 66, 218, 0.1);
}

/* Star rating */
.star-rating {
    color: #facc15;
}

/* Testimonial card */
.testimonial-card {
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Specification card border */
.spec-card h3 {
    border-bottom: 2px solid;
    border-image: linear-gradient(to right, #2c42da, #0c155a) 1;
}

/* Mobile menu animation */
#mobile-menu {
    transition: all 0.3s ease;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .fan-stack {
        width: min(320px, 90%);
    }
    
    .fan-card-1 {
        --fan-x: -12%;
        --fan-rot: -8deg;
    }
    
    .fan-card-3 {
        --fan-x: 12%;
        --fan-rot: 8deg;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #2c42da, #0c155a);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0c155a;
}