/* Effet Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Header Positioning Fixes */
header {
    transition: all 0.3s ease;
}

header.fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
}

/* Navigation spacing fixes */
nav {
    align-items: center;
}

nav a {
    white-space: nowrap;
}

/* Ensure proper spacing between navigation items */
nav.space-x-8 > * + * {
    margin-left: 2rem;
}

/* Mobile Menu Animations */
#mobile-menu {
    transition: all 0.3s ease;
    transform-origin: top;
}

#mobile-menu.hidden {
    opacity: 0;
    transform: translateY(-10px);
}

#mobile-menu:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
}

/* Ensure proper spacing for fixed header */
body {
    padding-top: 0;
}

section:first-of-type {
    padding-top: 5rem; /* 80px for header height */
}

@media (min-width: 768px) {
    section:first-of-type {
        padding-top: 6rem; /* Adjust for desktop */
    }
}

/* Animation Abstract Background */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    animation: move 10s infinite alternate;
}

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(20px, -20px) scale(1.1); }
}

/* Classes utilitaires d'animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Carte Service Hover */
.service-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Effet ressort */
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -5px rgba(16, 185, 129, 0.15);
}

/* Animation Soulignement Navigation */
.nav-link {
    position: relative;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: currentColor; /* Prend la couleur du texte */
    transition: width 0.3s ease-in-out;
}

.nav-link:hover::after {
    width: 100%;
}

/* Effet Hover Lift (Boutons/Cartes) */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Effet Shine (Boutons principaux) */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-shine:hover::after {
    left: 100%;
}

/* Image Zoom Effect */
.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.5s ease;
}

.img-zoom:hover img {
    transform: scale(1.05);
}

/* Listes à puces (Cotrack) */
.check-list li {
    display: flex;
    align-items: start;
    margin-bottom: 0.5rem;
}

.check-list li svg {
    flex-shrink: 0;
    margin-right: 0.75rem;
    color: #10b981;
}

/* Badge (Cotrack) */
.best-value-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #059669 0%, #84cc16 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

/* Coexpress Timeline */
.step-line::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 2rem;
    width: 2px;
    background: #e2e8f0;
    z-index: -1;
}

/* Cosolar Projects */
.project-card:hover .project-overlay {
    opacity: 1;
}