/* Variables de couleur et d’espacement en haut du fichier */
:root {
    --background: #21222c;         /* Fond principal */
    --text-primary: #f8f8f2;       /* Texte principal */
    --vision-text-color: rgba(255, 255, 255, 0.5); /* Blanc semi-transparent pour les visions */
    --accent-cyan: #8be9fd;        /* Cyan (titres, curseur) */
    --accent-pink: #ff6bc6;        /* Rose (boutons, logo) */
    --accent-purple: #d881f9;      /* Violet (ombres, hover) */
    --accent-green: #50fa7b;       /* Vert (stats, mots clés) */
    --card-bg: rgba(56, 59, 79, 0.2); /* Fond des cartes */
    --navbar-bg: rgba(33, 34, 44, 0.9); /* Fond navbar */
    --hover-gray: #383b4f;         /* Gris hover liens */
    --shadow-subtle: rgba(129, 88, 182, 0.1); /* Ombre subtile cartes */
    --shadow-dark: #5b535e;        /* Ombre hover cartes */
    /* Variables d’espacement */
    --spacing-small: 20px;
    --spacing-medium: 40px;
    --spacing-large: 60px;
    --spacing-xlarge: 80px;
}

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

body {
    background: var(--background);
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
    position: relative;
    cursor: none;
}

h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

/* Custom Cursor */
.cursor {
    position: fixed;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, var(--accent-cyan) 20%, transparent 80%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 8px var(--accent-cyan);
    transition: width 0.3s, height 0.3s;
}

.cursor-trail {
    position: fixed;
    width: 8px;
    height: 8px;
    background: rgba(216, 129, 249, 0.6);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    opacity: 0.8;
}

.cursor-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9997;
}

/* Galaxy/Data Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-small) var(--spacing-large);
    background: var(--navbar-bg);
    z-index: 10;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-pink);
}

.navbar-toggle {
    display: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-medium);
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--hover-gray);
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xlarge) var(--spacing-large);
    position: relative;
    margin-bottom: var(--spacing-xlarge);
}

.hero-content {
    max-width: 800px;
    position: relative;
    width: 100%;
}

.data-cascade {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.animate-text {
    opacity: 0;
}

h1 {
    font-size: 4rem;
    text-shadow: 0 0 12px var(--accent-cyan);
    margin-bottom: var(--spacing-medium);
}

.subtitle {
    font-size: 1.5rem;
    margin: var(--spacing-small) 0;
}

.tagline {
    font-size: 1.2rem;
    color: var(--hover-gray);
    margin-bottom: var(--spacing-large);
}

/* Boutons (Hero et Contact) */
.cta-button {
    padding: var(--spacing-small) var(--spacing-medium);
    background: var(--accent-pink);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    margin-top: var(--spacing-medium);
    border: none;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 8px rgba(216, 129, 249, 0.5);
    display: inline-block;
    white-space: nowrap;
}

.cta-button:hover {
    background: var(--accent-pink);
    box-shadow: 0 0 20px var(--accent-purple);
    transform: scale(1.05);
}

.cta-button:active {
    background: var(--accent-purple);
    box-shadow: 0 0 25px var(--accent-purple), inset 0 0 10px var(--accent-purple);
    transform: scale(0.98);
}

/* Bloc SQL avant About Me */
.sql-block {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    background: rgba(33, 34, 44, 0.9);
    padding: var(--spacing-small);
    border-radius: 8px;
    border: 1px solid var(--accent-purple);
    width: 600px;
    max-width: 100%;
    margin: var(--spacing-large) auto;
    text-align: left;
    white-space: pre-wrap;
    line-height: 1.4;
    box-shadow: 0 0 10px rgba(216, 129, 249, 0.2);
    scroll-margin-top: 90px; /* Valeur desktop */
}

.sql-keyword {
    color: var(--accent-green);
}

.sql-name {
    color: var(--accent-cyan);
}

.sql-alias {
    color: var(--accent-pink);
}

.sql-function {
    color: var(--accent-purple);
}

.sql-value {
    color: var(--text-primary);
}

.sql-comment {
    color: var(--hover-gray);
}

/* Sections générales */
section {
    padding: var(--spacing-xlarge) var(--spacing-large);
    text-align: center;
    position: relative;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-large);
    margin-bottom: var(--spacing-large);
}

/* About Section */
.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
}

.stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-large);
    margin-top: var(--spacing-medium);
}

.stat-item {
    font-size: 1.5rem;
    min-width: 150px;
}

.stat-item span {
    display: block;
    font-size: 3rem;
    color: var(--accent-green);
}

/* Skills Section */
#skills {
    padding: var(--spacing-xlarge) var(--spacing-large);
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-medium);
    max-width: 1200px;
    margin: var(--spacing-large) auto 0;
    padding: 0 var(--spacing-large);
}

.skill-card {
    padding: var(--spacing-medium);
    background: var(--card-bg);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    transition: transform 0.5s ease, box-shadow 0.3s ease;
    transform-style: preserve-3d;
    min-height: 120px;
}

.skill-card:hover {
    transform: rotateY(15deg) rotateX(10deg) scale(1.05);
    box-shadow: 0 0 25px var(--shadow-dark);
}

.skill-card::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--shadow-subtle), transparent);
    top: -50%;
    left: -50%;
    animation: orbit 6s linear infinite;
}

/* Vision Section */
#vision {
    padding: var(--spacing-xlarge) var(--spacing-large);
    text-align: left;
}

#vision h3 {
    font-size: 1.8rem;
    margin: var(--spacing-xlarge) 0 var(--spacing-large);
    text-align: center;
}

.vision-bi-text,
.vision-text,
.vision-dbt-text {
    width: 600px;
    max-width: 100%;
    margin: 0 auto var(--spacing-xlarge);
    font-size: 1.2rem;
    color: var(--vision-text-color);
    opacity: 1;
    text-align: justify;
    line-height: 1.6;
}

.vision-points {
    width: 600px;
    max-width: 100%;
    margin: 0 auto;
    text-align: left;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.vision-points p {
    margin: var(--spacing-small) 0;
}

.vision-points strong {
    color: var(--accent-green);
}

/* Projects Section (masquée) */
#projects.hidden {
    display: none;
}

/* Contact Section */
form {
    max-width: 600px;
    margin: var(--spacing-large) auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-medium);
    padding: 0 var(--spacing-large);
}

form label {
    display: flex;
    flex-direction: column;
    text-align: left;
    color: var(--text-primary);
    font-size: 1.1rem;
}

input, textarea {
    padding: var(--spacing-small);
    background: rgba(56, 59, 79, 0.4);
    border: none;
    border-radius: 5px;
    color: var(--text-primary);
    width: 100%;
    box-sizing: border-box;
}

textarea {
    resize: none;
    height: 150px;
}

form .cta-button {
    align-self: center;
}

/* Data Pulse Lines */
section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    z-index: -1;
}

/* Animations */
@keyframes orbit {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: var(--spacing-small) var(--spacing-medium);
        height: auto;
    }
    .navbar-toggle {
        display: block;
        font-size: 1.5rem;
        background: none;
        border: none;
        color: var(--text-primary);
        cursor: pointer;
        align-self: flex-end;
    }
    .nav-links {
        flex-direction: column;
        gap: var(--spacing-small);
        margin-top: var(--spacing-small);
        width: 100%;
        text-align: center;
        display: none;
    }
    .nav-links.active {
        display: flex;
    }
    h1 { 
        font-size: 2.5rem; 
    }
    .subtitle { 
        font-size: 1.2rem; 
    }
    .tagline { 
        font-size: 1rem; 
    }
    .stats { 
        gap: var(--spacing-medium); 
    }
    .skill-card { 
        padding: var(--spacing-small); 
    }
    .skill-card:hover {
        transform: scale(1.05);
    }
    section {
        padding: var(--spacing-large) var(--spacing-medium);
        min-height: 60vh;
        margin-bottom: var(--spacing-medium);
    }
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-small);
        padding: 0 var(--spacing-medium);
    }
    .skill-card {
        min-height: 100px;
        width: 100%;
    }
    #vision {
        padding: var(--spacing-large) var(--spacing-medium);
    }
    #vision h3 {
        font-size: 1.5rem;
        margin: var(--spacing-large) 0 var(--spacing-medium);
    }
    .vision-bi-text,
    .vision-text,
    .vision-dbt-text {
        width: 100%;
        padding: 0 var(--spacing-small);
        margin-bottom: var(--spacing-large);
        font-size: 1rem;
        text-align: justify;
    }
    .vision-points {
        width: 100%;
        padding: 0 var(--spacing-small);
        font-size: 0.9rem;
    }
    /* Correction pour le bouton et espacement en mobile */
    #hero {
        padding: var(--spacing-large) var(--spacing-medium);
        margin-bottom: var(--spacing-large);
    }
    .hero-content {
        max-width: 100%;
        padding: 0 var(--spacing-small);
    }
    .cta-button {
        padding: 10px 20px;
        font-size: 1rem;
        margin-top: var(--spacing-small);
        width: auto;
        max-width: 90%;
    }
    /* Responsive pour le bloc SQL */
    .sql-block {
        font-size: 0.9rem;
        padding: 10px;
        width: 100%;
        margin: var(--spacing-large) auto;
        scroll-margin-top: 110px; /* Augmenté pour mobile */
    }
}