/* Charte Graphique DEV ASSIIN */
:root {
    --dev-blue: #16ccfc;
    --dev-dark: #212529;
    --dev-gray: #f8f9fa;
    --dev-black: #121212;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
    background-color: var(--dev-gray);
}

/* --- NAVBAR (Correction texte blanc au défilement) --- */
.navbar {
    transition: 0.4s all ease-in-out;
    backdrop-filter: blur(10px);
}

/* Force les liens en blanc et le survol en bleu cyan */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--dev-blue) !important;
}

/* État de la navbar lors du scroll (ajouté par script.js) */
.navbar.shadow-lg.bg-dark {
    background-color: rgba(18, 18, 18, 0.98) !important;
    border-bottom: 1px solid rgba(22, 204, 252, 0.2);
}

/* --- ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);

}

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

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes floatAnim {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-title { animation: fadeInDown 1s both; }
.hero-subtitle { animation: fadeInDown 1.2s both 0.3s; }

/* --- HERO & BACKGROUND ICONS --- */
.hero-section {
    padding: 120px 0;
    background: radial-gradient(circle at center, #1b2735 0%, #090a0f 100%);
    border-bottom: 4px solid var(--dev-blue);
    position: relative;
}

.bg-icon {
    position: absolute;
    color: var(--dev-blue);
    opacity: 0.08;
    z-index: 1;
    pointer-events: none;
    animation: floatAnim 6s ease-in-out infinite;
}

/* --- UTILITAIRES & BOUTONS --- */
.text-dev { color: var(--dev-blue) !important; }
.bg-dev { background-color: var(--dev-blue) !important; }

.btn-dev {
    background-color: var(--dev-blue);
    color: #000 !important;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    transition: 0.3s;
    padding: 12px 30px;
}

.btn-dev:hover {
    background-color: #ffffff;
    color: var(--dev-blue) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(22, 204, 252, 0.4);
}

/* --- CARTES DE PROJETS --- */
.card-project {
    border: none;
    border-radius: 25px;
    background: #fff;
    transition: 0.4s;
    overflow: hidden;
}

.card-project:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.icon-box {
    width: 75px; height: 75px;
    display: inline-flex;
    align-items: center; justify-content: center;
    border-radius: 20px;
    background-color: #e8f9ff;
    margin-bottom: 20px;
}

/* --- FLOATING WHATSAPP --- */
.btn-dev.position-fixed {
    width: 60px;
    height: 60px;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(22, 204, 252, 0.5);
    z-index: 9999;
}