/* EDX Advisory - styles communs */
:root {
    --edx-navy: #020814;
    --edx-accent-blue: #2D6BFF;
}
body {
    font-family: 'Poppins', sans-serif;
    background-color: #ffffff;
    color: #0f172a;
}
h1, h2, h3, h4, h5, h6 { letter-spacing: -0.02em; }
.edx-navy-bg { background-color: var(--edx-navy); }
.text-navy { color: var(--edx-navy); }

/* Hero */
.hero-bg {
    background: radial-gradient(circle at 10% 20%, rgba(45, 107, 255, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(0, 229, 255, 0.05) 0%, transparent 40%),
                linear-gradient(110deg, #050b1c 0%, #020814 50%, #0a1530 100%);
}
.hero-gradient { background: radial-gradient(circle at 80% 10%, rgba(45,107,255,.25), transparent 35%), var(--edx-navy); }

/* Boutons */
.btn-premium {
    background-color: var(--edx-accent-blue);
    color: #ffffff !important;
    box-shadow: 0 10px 30px -10px rgba(45, 107, 255, 0.5);
    transition: all 0.3s ease;
}
.btn-premium:hover {
    background-color: #1a54f2;
    transform: translateY(-2px);
    box-shadow: 0 15px 40px -10px rgba(45, 107, 255, 0.6);
}
.btn-outline-premium {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff !important;
    transition: all 0.3s ease;
}
.btn-outline-premium:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.5);
}
.nav-link { color: rgba(255, 255, 255, 0.8); transition: color 0.3s ease; }
.nav-link:hover, .nav-link[aria-current="page"] { color: #ffffff; }

/* Cartes */
.premium-card { background: #ffffff; border: 1px solid #e2e8f0; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.premium-card:hover { transform: translateY(-5px); border-color: var(--edx-accent-blue); box-shadow: 0 20px 40px -20px rgba(7, 17, 47, 0.15); }
a.premium-card { display: block; }
.image-wrapper { position: relative; overflow: hidden; border-radius: 12px; }
.image-wrapper img { transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.premium-card:hover .image-wrapper img { transform: scale(1.05); }

/* Contenu éditorial (articles, pages services) */
.prose-edx { color: #334155; line-height: 1.8; }
.prose-edx > * + * { margin-top: 1rem; }
.prose-edx h2 { font-size: 1.75rem; line-height: 1.25; font-weight: 700; color: var(--edx-navy); margin-top: 2.5rem; }
.prose-edx h3 { font-size: 1.35rem; line-height: 1.3; font-weight: 700; color: var(--edx-navy); margin-top: 2rem; }
.prose-edx ul { list-style: disc; padding-left: 1.5rem; }
.prose-edx ol { list-style: decimal; padding-left: 1.5rem; }
.prose-edx li + li { margin-top: .5rem; }
.prose-edx strong { color: #0f172a; }
.prose-edx a { color: #2563eb; text-decoration: underline; text-underline-offset: 3px; }
.quote { border-left: 4px solid var(--edx-accent-blue); background: #eff6ff; padding: 1.5rem; font-style: italic; color: #374151; border-radius: 0 12px 12px 0; }
.stat strong { display: block; font-size: 2.25rem; font-weight: 700; color: #2563eb; line-height: 1.1; }
.callout { background: #f1f5f9; border-radius: 12px; padding: 1.5rem; }

/* FAQ */
.faq details { border-bottom: 1px solid #e2e8f0; padding: 1.25rem 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--edx-navy); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--edx-accent-blue); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: .75rem; color: #475569; line-height: 1.7; }

/* Fil d'Ariane */
.crumbs a { color: rgba(191, 219, 254, .9); }
.crumbs a:hover { color: #fff; }

/* Bandeau suggestion de langue */
#lang-hint { position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 420px; z-index: 60; }