/* =========================================
   1. VARIABLES CSS (CENTRALISATION DES COULEURS)
   ========================================= */
:root {
    /* Thème global */
    --bg-color: #030508;
    --primary-color: #00ffcc; 
    --secondary-color: #00fa69; 
    --alert-color: #ff0066; 
    --text-main: #ffffff;
    --text-muted: #a0aec0;
    
    /* Couleurs spécifiques au Graphe 3D (Format R, G, B pour gérer l'opacité en JS) */
    --canvas-particle: 0, 255, 204;
    --canvas-link: 0, 250, 105;
    --canvas-triangle: 0, 50, 30;

    /* Typographie & Effets */
    --font-main: 'Segoe UI', system-ui, sans-serif;
    --font-code: 'Fira Code', 'Courier New', monospace;
    --glass-bg: rgba(10, 15, 20, 0.75);
    --glass-border: rgba(0, 255, 204, 0.15);
}

/* =========================================
   2. BASE & LAYOUT
   ========================================= */
body { 
    margin: 0; 
    overflow-x: hidden; 
    background-color: var(--bg-color); 
    font-family: var(--font-main);
    color: var(--text-main);
}

#bg, #fg { 
    position: fixed; 
    top: 0; 
    left: 0; 
    pointer-events: none;
}
#bg { z-index: 1; }
#fg { z-index: 20; } 

/* =========================================
   3. COMPOSANTS (Boutons, Langue, Panels)
   ========================================= */
.lang-toggle {
    position: fixed; top: 20px; right: 20px; z-index: 50;
    background: var(--glass-bg); border: 1px solid var(--primary-color);
    color: var(--primary-color); padding: 8px 12px; border-radius: 4px;
    font-family: var(--font-code); font-size: 0.9rem; cursor: pointer;
    transition: all 0.3s ease;
}
.lang-toggle:hover { background: var(--primary-color); color: var(--bg-color); }

.hero-section { position: relative; height: 100svh; display: flex; align-items: center; justify-content: center; z-index: 5; }
.content-wrapper { position: relative; z-index: 5; display: flex; flex-direction: column; gap: 4rem; padding: 2rem; max-width: 800px; margin: 0 auto 6rem auto; }

.glass-panel {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: 12px; padding: 2.5rem; box-sizing: border-box;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0, 255, 204, 0.05);
    backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); width: 100%;
    opacity: 0; transform: translateY(50px); transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.glass-panel.visible { opacity: 1; transform: translateY(0); }

.hero-panel { width: 90vw; max-width: 650px; padding: 1.5rem 1.5rem 2.5rem 2.5rem;}
.terminal-header { display: flex; gap: 8px; margin-bottom: 2rem; flex-direction: row-reverse;}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background-color: var(--alert-color); }
.dot.yellow { background-color: #0022ff; }
.dot.green { background-color: var(--primary-color); }

h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.5rem); text-transform: uppercase; letter-spacing: 2px; color: var(--primary-color); }
h2 { font-family: var(--font-code); font-size: clamp(1rem, 3vw, 1.2rem); color: var(--secondary-color); margin-top: 5px; font-weight: 400; }
h3 { color: var(--text-main); font-family: var(--font-code); border-bottom: 1px solid var(--glass-border); padding-bottom: 10px; margin-top: 0; }
p, li { color: var(--text-muted); line-height: 1.6; margin-bottom: 2rem; font-family: var(--font-code); font-size: 0.95rem; }

.hero-panel p::before { content: "> "; color: var(--primary-color); }
.hero-panel p::after { content: "_"; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0; } }

.btn-group { display: flex; gap: 15px; flex-wrap: wrap; }
.btn {
    display: inline-block; padding: 10px 20px; border: 1px solid var(--primary-color);
    color: var(--primary-color); text-decoration: none; font-family: var(--font-code);
    font-size: 0.9rem; text-transform: uppercase; border-radius: 4px; transition: all 0.3s ease;
    background: rgba(0, 255, 204, 0.05);
}
.btn:hover { background: var(--primary-color); color: var(--bg-color); box-shadow: 0 0 15px var(--primary-color); }

/* =========================================
   4. TUILES (PROJETS & COMPÉTENCES)
   ========================================= */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.project-tile {
    background: rgba(0, 0, 0, 0.4); border: 1px solid var(--glass-border); border-radius: 8px;
    padding: 1.5rem; transition: all 0.3s ease; display: flex; flex-direction: column;
}
.project-tile:hover { border-color: var(--primary-color); box-shadow: 0 5px 15px rgba(0, 255, 204, 0.1); transform: translateY(-5px); }
.project-tile h4 { margin: 0 0 10px 0; color: var(--secondary-color); font-family: var(--font-code); font-size: 1.1rem; }
.project-tile h4 a { color: inherit; text-decoration: none; }
.project-tile h4 a:hover { text-decoration: underline; }
.project-tile > p { margin-bottom: 1.2rem; font-size: 0.9rem; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 1.5rem; }
.tech-tag { background: rgba(0, 255, 204, 0.05); border: 1px solid rgba(0, 255, 204, 0.3); color: var(--primary-color); padding: 3px 8px; border-radius: 4px; font-size: 0.75rem; font-family: var(--font-code); }
.project-details { margin: 0; padding-left: 1.2rem; color: var(--text-muted); font-family: var(--font-code); font-size: 0.85rem; }
.project-details li { margin-bottom: 0.5rem; font-size: inherit; }
.project-details li b { color: var(--text-main); }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1.5rem; perspective: 1000px; margin-top: 1.5rem; }
.skill-tile {
    background: rgba(0, 0, 0, 0.5); border: 1px solid var(--glass-border); border-radius: 8px; padding: 1.5rem;
    text-align: center; transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1); transform-style: preserve-3d;
    cursor: pointer; display: flex; flex-direction: column; align-items: center; overflow: hidden;
}
.skill-tile:hover:not(.expanded):not(.hidden-spin) { border-color: var(--primary-color); transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0, 255, 204, 0.1); }
.skill-icon { width: 45px; height: 45px; fill: var(--primary-color); margin-bottom: 10px; transition: all 0.4s ease; }
.skill-tile h4 { margin: 0; color: var(--text-main); font-family: var(--font-code); }

.skill-advanced { display: none; opacity: 0; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px dashed var(--glass-border); text-align: left; font-size: 0.95rem; color: var(--text-muted); }
.btn-close { margin-top: 1rem; background: transparent; border: 1px solid var(--alert-color); color: var(--alert-color); padding: 5px 10px; border-radius: 4px; cursor: pointer; font-family: var(--font-code); font-size: 0.8rem; transition: all 0.3s ease; }
.btn-close:hover { background: var(--alert-color); color: var(--bg-color); }

.skill-tile.expanded { grid-column: 1 / -1; background: rgba(10, 15, 20, 0.95); border-color: var(--primary-color); transform: translateZ(30px) scale(1.02); box-shadow: 0 10px 40px rgba(0, 255, 204, 0.2); cursor: default; }
.skill-tile.expanded .skill-icon { transform: scale(1.2); }
.skill-tile.expanded .skill-advanced { display: block; animation: fadeInDelay 0.5s forwards 0.3s; }
.skill-tile.hidden-spin { opacity: 0; transform: translateZ(-300px) rotateY(-180deg) scale(0.4); pointer-events: none; padding: 0; height: 0; margin: -0.75rem; border: none; }
@keyframes fadeInDelay { to { opacity: 1; } }

/* =========================================
   5. BANDEAU DEVSECOPS
   ========================================= */
.devsecops-banner {
    width: 100vw; margin-left: calc(-50vw + 50%); background: var(--primary-color); color: var(--bg-color);
    padding: 12px 0; overflow: hidden; white-space: nowrap; position: relative;
    transform: rotate(-2deg) scale(1.05); box-shadow: 0 0 20px rgba(0, 255, 204, 0.4); z-index: 10; margin-bottom: 5rem;
}
.banner-track { display: inline-block; animation: scrollBanner 20s linear infinite; font-family: var(--font-code); font-weight: bold; font-size: 1.2rem; letter-spacing: 2px; }
.banner-track span { margin: 0 20px; }
@keyframes scrollBanner { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.placeholder-box { border: 1px dashed var(--text-muted); border-radius: 8px; padding: 3rem; color: var(--text-muted); font-family: var(--font-code); font-size: 0.9rem; background: rgba(255, 255, 255, 0.02); }