/* --- Palette Gold & Black "Sleek" --- */
:root {
    /* Backgrounds sombres */
    --bg-main: #0a0a0a;       /* Noir presque pur pour le fond */
    --bg-secondary: #141414;  /* Gris très foncé pour les cartes */
    --bg-tertiary: #1f1f1f;   /* Pour les éléments survolés */

    /* Typography */
    --text-primary: #ffffff;  /* Blanc pur pour les titres */
    --text-secondary: #a3a3a3; /* Gris clair pour les descriptions */
    --font: 'Plus Jakarta Sans', sans-serif;

    /* The GOLD Standard - Un vrai dégradé métallique */
    --gold-primary: #D4AF37; /* Or classique */
    --gold-dark: #AA8C2C;    /* Or plus sombre */
    --gold-light: #FFD700;   /* Or brillant */
    --gold-gradient: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    --gold-glow: rgba(212, 175, 55, 0.2); /* Lueur dorée */
}

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

body {
    font-family: var(--font);
    background-color: var(--bg-main);
    color: var(--text-secondary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* --- Navigation Dark --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 5%;
    background: rgba(10, 10, 10, 0.8); /* Fond noir semi-transparent */
    backdrop-filter: blur(15px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo { font-weight: 800; font-size: 1.5rem; color: var(--text-primary); letter-spacing: -1px; }
.gold-dot { color: var(--gold-primary); }

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    margin-right: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.nav-links a:hover { color: var(--gold-primary); }

.btn-contact {
    background: transparent;
    color: var(--gold-primary) !important;
    border: 1px solid var(--gold-primary);
    padding: 10px 25px;
    border-radius: 4px; /* Angles moins arrondis pour le côté "sleek" */
    font-weight: 700;
    transition: all 0.3s;
}
.btn-contact:hover { background: var(--gold-primary); color: var(--bg-main) !important; }

/* --- Hero Section Dark & Gold --- */
.hero-section {
    position: relative;
    padding: 140px 20px 100px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.hero-container { max-width: 750px; z-index: 2; }

/* Badge Gold */
.badge-wrapper { margin-bottom: 30px; }
.gold-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(212, 175, 55, 0.1); /* Or très transparent */
    color: var(--gold-primary);
    padding: 8px 20px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}

/* Titre Dégradé Or */
.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 30px;
    letter-spacing: -1px;
}

.text-gold-gradient {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 50px;
    max-width: 90%;
    font-weight: 400;
}

/* Boutons Hero */
.hero-buttons { display: flex; gap: 20px; margin-bottom: 70px; }

.btn {
    padding: 15px 35px;
    border-radius: 4px; /* Sleek = angles plus droits */
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex; align-items: center; gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-gold {
    background: var(--gold-gradient);
    color: var(--bg-main);
    box-shadow: 0 10px 30px -10px rgba(212, 175, 55, 0.5);
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 15px 40px -10px rgba(212, 175, 55, 0.7); }

.btn-dark-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-dark-outline:hover { border-color: var(--gold-primary); color: var(--gold-primary); }

/* Features Boxes Dark */
.features-row { display: flex; gap: 30px; }

.feature-box {
    background: var(--bg-secondary);
    padding: 15px 30px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex; align-items: center; gap: 15px;
    transition: 0.3s;
}
.feature-box:hover { border-color: var(--gold-primary); transform: translateY(-2px); }

.icon-gold { color: var(--gold-primary); font-size: 1.2rem; }
.feature-text { font-weight: 700; color: var(--text-primary); font-size: 0.9rem; text-transform: uppercase; }

/* Lueur dorée subtile */
.hero-glow-gold {
    position: absolute;
    top: -20%; right: -10%;
    width: 70%; height: 100%;
    background: radial-gradient(circle at center, var(--gold-glow) 0%, rgba(0,0,0,0) 60%);
    z-index: 1; pointer-events: none; opacity: 0.6;
}

/* --- Section Projets Dark --- */
.container { max-width: 1100px; margin: 0 auto; padding: 100px 20px; }
.section-header { margin-bottom: 60px; }
.section-title { font-size: 2.5rem; font-weight: 800; color: var(--text-primary); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }

/* Cartes Sombres */
.card-dark {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
    display: flex; flex-direction: column; justify-content: space-between;
    position: relative;
    overflow: hidden;
}

/* Effet de survol "Premium" */
.card-dark:hover {
    transform: translateY(-7px);
    border-color: var(--gold-primary);
    box-shadow: 0 20px 40px -15px rgba(0,0,0,0.5);
}
/* Petite ligne dorée qui apparaît en bas au survol */
.card-dark::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px;
    background: var(--gold-gradient); transform: scaleX(0); transition: 0.4s ease;
}
.card-dark:hover::after { transform: scaleX(1); }


.card-icon-wrapper.icon-gold-glow {
    width: 60px; height: 60px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin-bottom: 25px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold-primary);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.card h3 { font-size: 1.4rem; font-weight: 700; color: var(--text-primary); }

/* Badges de statut */
.status-badge { font-size: 0.7rem; padding: 5px 12px; border-radius: 50px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; }
.gold-outline { border: 1px solid var(--gold-primary); color: var(--gold-primary); }
.gold-solid { background: var(--gold-gradient); color: var(--bg-main); }

.card p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 30px; }

.tags { display: flex; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
.tags span {
    font-size: 0.75rem; background: var(--bg-tertiary); padding: 6px 14px;
    border-radius: 4px; color: var(--text-secondary); font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px; border: 1px solid rgba(255,255,255,0.05);
}

.btn-link.gold-link {
    background: none; border: none;
    color: var(--gold-primary); font-weight: 700; font-size: 1rem;
    cursor: pointer; display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
    transition: 0.3s;
}
.btn-link.gold-link:hover { gap: 15px; color: var(--gold-light); }
.btn-link.disabled { color: var(--text-secondary); opacity: 0.6; cursor: not-allowed; }

/* Footer Dark */
.footer-dark {
    background: var(--bg-secondary);
    padding: 80px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-content p { color: var(--text-secondary); margin: 20px 0; }
.socials-footer a { color: var(--text-secondary); margin: 0 15px; transition: 0.3s; font-size: 1.3rem; }
.socials-footer a:hover { color: var(--gold-primary); }

/* Mobile */
@media (max-width: 768px) {
    .hero-title { font-size: 2.8rem; }
    .hero-buttons, .features-row { flex-direction: column; }
    .navbar { flex-direction: column; gap: 20px; padding: 20px; }
    .nav-links { display: none; }
}