/* Variables CSS Globales */
:root {
    --primary-color: #70cbf0;
    --primary-color-darker: #0056b3; /* Pour les :hover */
    --secondary-color: #6c757d;
    --secondary-color-darker: #545b62; /* Pour les :hover */
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --text-color: #333;
    --text-color-light: #f8f9fa;
    --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --navbar-height: 70px;
    --navbar-height-scrolled: 60px; /* Hauteur de la navbar après scroll */
    --transition-speed: 0.3s ease; /* Ajusté à 0.3s pour être cohérent avec JS */
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-sans-serif);
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(to right, #3fa0f0, #1723ca);
    padding-top: var(--navbar-height);
}
body.no-scroll { /* Ajouté pour le menu mobile ouvert */
    overflow: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.container2 {
    max-width: 1700px;
    margin: 0 auto;
    padding: 0 20px;
}

ul { list-style: none; }

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed);
}
a:hover {
    color: var(--primary-color-darker);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3 { margin-bottom: 1rem; line-height: 1.2; }
h1 { font-size: 2.8rem; color: var(--dark-color); }
h2 { font-size: 2.2rem; color: var(--dark-color); text-align: center; margin-bottom: 2rem; }
h3 { font-size: 1.5rem; color: var(--dark-color); } 


#certifications .project-card img {
    height: 200px; 
    object-fit: contain;  
    padding: 1rem;      
}

#certifications .project-card .project-info {
    padding: 1.2rem 1.5rem; 
}

/* Navbar */
.navbar {
    background: linear-gradient(to right, #3fa0f0, #1723ca); 
    color: var(--dark-color); 
    height: var(--navbar-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.3s ease-in-out, background-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out, height 0.3s ease-in-out, padding 0.3s ease-in-out;
    padding: 0.5rem 0; 
    box-shadow: none;
    flex-wrap: nowrap;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color-light); 
    display: flex;
    align-items: center;
    padding: 0 10px; 
    height: 100%;
}
.nav-logo img {
    height: calc(var(--navbar-height) - 25px); 
    width: auto;
    transition: height var(--transition-speed);
}

.nav-menu {
    display: flex;
    align-items: center; 
    flex-wrap: nowrap;
}

.nav-item {
    margin-left: 0.8rem;
}

.nav-link {
    color: var(--text-color-light); 
    padding: 0.5rem;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--text-color-light); 
    transition: width var(--transition-speed);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link.active { 
    font-weight: bold; 
}


/* Navbar quand on scroll */
.navbar.navbar-scrolled {
    background:linear-gradient(to right, #3fa0f0, #1723ca); 
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    height: var(--navbar-height-scrolled); 
    padding: 0.2rem 0;
}
.navbar.navbar-scrolled .nav-logo {
    color: var(--primary-color); 
}
.navbar.navbar-scrolled .nav-logo img {
    height: calc(var(--navbar-height-scrolled) - 20px); 
}
.navbar.navbar-scrolled .nav-link {
    color: var(--text-color-light); 
}
.navbar.navbar-scrolled .nav-link::after {
    background-color: var(--primary-color); 
}
.navbar.navbar-scrolled .hamburger .bar { 
    background-color: var(--dark-color);
}

/* Navbar cachée au scroll */
.navbar.navbar-hidden {
    transform: translateY(-100%);
}

/* Hamburger Menu (Mobile) */
.hamburger {
    display: none;
    cursor: pointer;
}
.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color-light); 
    transition: all var(--transition-speed);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(to right, #3fa0f0, #1723ca), url('https://via.placeholder.com/1920x1080?text=Background+Image') no-repeat center center/cover;
    color: var(--text-color-light);
    height: calc(80vh - var(--navbar-height));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}
.hero-section h1 { font-size: 3.5rem; margin-bottom: 0.5rem; color: #fff; }
.hero-section .subtitle { font-size: 1.5rem; margin-bottom: 2rem; min-height: 2.2em; }
.hero-section #typed-name { color: var(--primary-color); }

/* Effet curseur pour typing */
.hero-section h1 .cursor,
.hero-section .subtitle .cursor {
    display: inline-block;
    background-color: var(--text-color-light); 
    margin-left: 0.1em;
    width: 3px;
    animation: blink 1s infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

#entreprise {
    background: linear-gradient(to right, #1723ca, #3fa0f0); 
}

#entreprise h2 {
    color: var(--text-color-light); 
}




.project-card.entreprise-card {
    display: block; 
    max-width: 550px;
    margin: 2.5rem auto 0 auto;
    padding: 3rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}


.project-card.entreprise-card img {
    height: auto; 
    width: 60%; 
    object-fit: contain; 
    margin: 0 auto 2.5rem auto; 
}


.project-card.entreprise-card .cta-link {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-color);
}

.project-card.entreprise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.project-card.entreprise-card:hover .cta-link {
    color: var(--primary-color-darker);
}






.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    border-radius: 5px;
    transition: background-color var(--transition-speed), transform var(--transition-speed), color var(--transition-speed);
    cursor: pointer;
    border: none;
}
.btn-primary { background-color: var(--primary-color); color: #fff; }
.btn-primary:hover { background-color: var(--primary-color-darker); transform: translateY(-2px); color: #fff; }
.btn-secondary { background-color: var(--secondary-color); color: #fff; }
.btn-secondary:hover { background-color: var(--secondary-color-darker); transform: translateY(-2px); color: #fff; }

/* Sections de contenu */
.content-section { padding: 60px 0; }
.content-section.bg-light { background-color: var(--light-color); }

/* Section À Propos (si vous l'avez, sinon supprimez) */
.about-content { display: flex; align-items: center; gap: 2rem; }
.about-image { flex: 1; max-width: 300px; }
.about-image img { border-radius: 50%; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.about-text { flex: 2; }

/* Section Projets */

.project-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, 300px); 
    gap: 2rem;
    justify-content: center; 
}

.project-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    overflow: hidden; 
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative; 
    
    transition: all 0.4s cubic-bezier(0.215, 0.610, 0.355, 1);
}

.project-grid .project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 10px 22px rgba(0,0,0,0.15);
    z-index: 10; 
}
.project-info:empty {
    padding: 0;}
.project-card img { width: 100%; height: 300px; object-fit: cover; display: block; }
.project-info { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; text-align: center; }
.project-info h3 { margin-bottom: 0.5rem; } /* Titres de cartes de projets */
.project-info p { font-size: 0.9rem; color: #555; flex-grow: 1; margin-bottom: 1rem; }
.project-links { margin-top: auto; }
.project-links .btn { margin-right: 0.5rem; margin-bottom: 0.5rem; font-size: 0.9rem; padding: 0.6rem 1.2rem; }
.project-links .btn i { margin-left: 0.3rem; }




/* Section Contact */
.contact-methods { display: flex; justify-content: center; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.contact-methods .btn i { margin-right: 0.5rem; }

/* Styles pour Reveal on Scroll */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.215, 0.610, 0.355, 1), transform 0.8s cubic-bezier(0.215, 0.610, 0.355, 1);
    transition-delay: 0.1s; 
    will-change: opacity, transform;
}

h2.reveal-on-scroll .highlight-word {
  color: var(--primary-color)
}
.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}
.project-grid .reveal-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.project-grid .reveal-on-scroll:nth-child(3) { transition-delay: 0.3s; }


/* Footer */
footer { background-color: var(--dark-color); color: var(--text-color-light); text-align: center; padding: 2rem 0; }
footer .container { display: flex; flex-direction: column; align-items: center; }
.social-links { margin-top: 0.5rem; }
.social-links a { color: var(--text-color-light); margin: 0 0.5rem; font-size: 1.5rem; transition: color var(--transition-speed); }
.social-links a:hover { color: var(--primary-color); }




#veille {
    position: relative;
}

#veille .veille-swiper {
    width: 100%;
   
    padding-bottom: 50px;
    
    overflow: clip; 


}

#veille .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: stretch;
    height: auto;
}

#veille .swiper-slide .project-card {
    height: 100%;
    width: 100%;
    cursor: grab;
}

#veille .swiper-slide .project-card:active {
    cursor: grabbing;
}



.veille-nav-prev,
.veille-nav-next {
    position: absolute; 
    top: 45%; 
    transform: translateY(-50%);
    z-index: 20; 
    
    
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--dark-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.veille-nav-prev:hover,
.veille-nav-next:hover {
    background-color: #fff;
    transform: translateY(-50%) scale(1.1);
}

.veille-nav-prev::after,
.veille-nav-next::after {
    font-size: 1.2rem;
    font-weight: bold;
}


.veille-nav-prev {
    left: 25px;
}
.veille-nav-next {
    right: 25px;
}



#veille .swiper-pagination-bullet {
    background-color: rgba(255, 255, 255, 0.7);
    width: 10px;
    height: 10px;
    opacity: 1;
}

#veille .swiper-pagination-bullet-active {
    background-color: var(--primary-color);
}



.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    background-color: transparent;
    color: var(--primary-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 10px rgba(112, 203, 240, 0.4);
}


.project-card.hide-project {
    display: none;
}



@media (max-width: 767px) {
    .veille-nav-prev,
    .veille-nav-next {
        display: none; 
    }
}

@media (max-width: 768px) {
    .project-card.entreprise-card {
        padding: 2rem 1.5rem;
    }

    .project-card.entreprise-card img {
        width: 75%; 
        margin-bottom: 2rem;
    }
}
    .cta-link {
        text-align: center; /
    }
    




/* Responsive Design */
@media (max-width: 768px) {
    html { font-size: 15px; }

    .navbar .container { padding: 0 15px; }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--navbar-height); 
        flex-direction: column;
        background: linear-gradient(to right, #2bc4eb, #4788db); 
        width: 100%;
        height: calc(100vh - var(--navbar-height)); 
        text-align: center;
        transition: left var(--transition-speed);
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding-top: 2rem; 
        overflow-y: auto; 
    }
    .navbar.navbar-scrolled .nav-menu { 
         top: var(--navbar-height-scrolled);
         height: calc(100vh - var(--navbar-height-scrolled));
    }

    .nav-menu.active { left: 0; }
    .nav-item { margin: 1.5rem 0; }
    .nav-link {
        font-size: 1.2rem;
        color: var(--text-color); 
    }
    .nav-link::after { display: none; } 
    .nav-link:hover, .nav-link.active {
        color: var(--primary-color); 
    }

    .hamburger { display: block; z-index: 1001; }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .navbar.navbar-scrolled .hamburger.active .bar {
        background-color: var(--dark-color);
    }


    .hero-section { min-height: calc(90vh - var(--navbar-height)); padding-top: 40px; padding-bottom: 40px; }
    .hero-section h1 { font-size: 2.5rem; }
    .hero-section .subtitle { font-size: 1.2rem; }

    .about-content { flex-direction: column; text-align: center; }
    .about-image { margin-bottom: 1.5rem; max-width: 200px; }
    
   
    .project-grid { 
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    }
}

@media (max-width: 480px) {
    .hero-section h1 { font-size: 2rem; }
    .hero-section .subtitle { font-size: 1rem; }
    h2 { font-size: 1.8rem; }
    .project-grid { grid-template-columns: 1fr; }
}