/* CSS optimisé pour remplacer Tailwind CDN */
/* Reset et base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; line-height: 1.6; color: #1e293b; }
img { max-width: 100%; height: auto; }
button { cursor: pointer; border: none; }

/* Utility classes essentielles */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.relative { position: relative; }
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
.px-12 { padding-left: 3rem; padding-right: 3rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); }
.border { border: 1px solid #e2e8f0; }
.border-b-4 { border-bottom: 4px solid; }

/* Colors */
.bg-slate-50 { background-color: #f8fafc; }
.bg-slate-900 { background-color: #0f172a; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-white { background-color: #ffffff; }
.text-white { color: #ffffff; }
.text-slate-300 { color: #cbd5e1; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1e293b; }
.text-slate-900 { color: #0f172a; }
.text-orange-500 { color: #f97316; }
.text-blue-400 { color: #60a5fa; }
.text-blue-600 { color: #2563eb; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-red-500 { color: #ef4444; }
.border-slate-100 { border-color: #f1f5f9; }
.border-slate-700 { border-color: #334155; }
.border-slate-800 { border-color: #1e293b; }
.border-blue-100 { border-color: #dbeafe; }
.border-red-500 { border-color: #ef4444; }

/* Typography */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-semibold { font-weight: 600; }
.italic { font-style: italic; }
.uppercase { text-transform: uppercase; }
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.leading-tight { line-height: 1.25; }

/* Layout */
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.overflow-hidden { overflow: hidden; }
.object-cover { object-fit: cover; }

/* Flexbox */
.flex-col { flex-direction: column; }
.justify-between { justify-content: space-between; }

/* Transitions */
.transition { transition: all 0.3s ease; }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.hover\:brightness-110:hover { filter: brightness(1.1); }
.hover\:bg-blue-600:hover { background-color: #2563eb; }
.hover\:text-white:hover { color: #ffffff; }

/* Responsive */
@media (min-width: 768px) {
    .md\:text-2xl { font-size: 1.5rem; }
    .md\:text-5xl { font-size: 3rem; }
    .md\:text-6xl { font-size: 3.75rem; }
    .md\:flex { display: flex; }
    .md\:flex-row { flex-direction: row; }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .hidden.md\:block { display: block; }
    .hidden.md\:flex { display: flex; }
}

/* Custom components */
.cta-gradient { background: linear-gradient(90deg, #FF8A00 0%, #FF5C00 100%); }
.hero-shape { border-radius: 0 0 50% 50% / 0 0 10% 10%; }
.inline-block { display: inline-block; }
.opacity-25 { opacity: 0.25; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.z-index-1000 { z-index: 1000; }
.absolute { position: absolute; }
.border-y { border-top: 1px solid; border-bottom: 1px solid; }
.border-t { border-top: 1px solid; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pb-20 { padding-bottom: 5rem; }