/*
 * ═══════════════════════════════════════════════════════════
 *  custom.css — Innovative Services
 *  Styles complémentaires à Tailwind CSS
 * ═══════════════════════════════════════════════════════════
 */

/* ─── Variables CSS ────────────────────────────────────── */
:root {
    --navy:       #1E3A5F;
    --navy-light: #2E6DA4;
    --navy-dark:  #152C46;
    --gold:       #C9A84C;
    --gold-light: #E2C46E;
    --gold-dark:  #A8893A;
    --slate-bg:   #F8FAFC;
    --slate-border: #E2E8F0;

    --font-sans:  'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;

    --transition-base: 200ms ease;
    --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
}

/* ─── Reset & Base ─────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--slate-bg);
    color: #1f2937;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Saut de focus visible (accessibilité) */
:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ─── Liens (hors boutons) ─────────────────────────────── */
a {
    transition: color var(--transition-base), opacity var(--transition-base);
}

/* ─── Grille héros ─────────────────────────────────────── */
.hero-grid {
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* ─── Navigation ────────────────────────────────────────── */
.nav-link {
    position: relative;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--gold);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-base);
    border-radius: 2px;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

/* ─── Cards ─────────────────────────────────────────────── */
.card {
    background: #fff;
    border: 1px solid var(--slate-border);
    border-radius: 1rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,.1);
    transform: translateY(-2px);
}

/* ─── Prose (articles de blog) ──────────────────────────── */
.prose-axiome {
    color: #374151;
    line-height: 1.75;
}

.prose-axiome h2 {
    font-family: var(--font-serif);
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--navy);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--slate-border);
}

.prose-axiome h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy);
    margin-top: 2rem;
    margin-bottom: .75rem;
}

.prose-axiome p {
    margin-bottom: 1.25rem;
    color: #4b5563;
}

.prose-axiome strong {
    color: var(--navy);
    font-weight: 600;
}

.prose-axiome a {
    color: var(--gold-dark);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.prose-axiome a:hover {
    color: var(--navy);
}

.prose-axiome ul, .prose-axiome ol {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.prose-axiome li {
    margin-bottom: .4rem;
    color: #4b5563;
}

.prose-axiome blockquote {
    border-left: 4px solid var(--gold);
    padding: .75rem 1.25rem;
    background: #fdf9f0;
    border-radius: 0 .5rem .5rem 0;
    font-style: italic;
    color: #6b7280;
    margin: 1.5rem 0;
}

.prose-axiome img {
    border-radius: .75rem;
    max-width: 100%;
    margin: 1.5rem 0;
}

.prose-axiome table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: .875rem;
}

.prose-axiome th {
    background: var(--navy);
    color: #fff;
    padding: .625rem 1rem;
    text-align: left;
    font-weight: 600;
}

.prose-axiome td {
    padding: .625rem 1rem;
    border-bottom: 1px solid var(--slate-border);
    color: #4b5563;
}

.prose-axiome tr:nth-child(even) td {
    background: var(--slate-bg);
}

/* ─── Formulaire ─────────────────────────────────────────── */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, .1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, .1);
}

/* ─── Zones publicitaires ────────────────────────────────── */
.sidebar-ad-zone,
.in-article-ad-zone {
    position: relative;
}

.sidebar-ad-zone::before,
.in-article-ad-zone::before {
    content: 'ANNONCE';
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .08em;
    color: #9ca3af;
}

/* ─── Skeleton loader (préparé pour le futur) ──────────────── */
@keyframes skeleton-shimmer {
    0%   { background-position: -468px 0; }
    100% { background-position: 468px 0; }
}

.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 400% 100%;
    animation: skeleton-shimmer 1.4s ease infinite;
    border-radius: .5rem;
}

/* ─── Animations ─────────────────────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.animate-fade-up { animation: fadeUp 0.6s ease-out forwards; }
.animate-fade-in { animation: fadeIn 0.4s ease-out forwards; }

/* Retard d'animation */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }

/* ─── Utilitaires ────────────────────────────────────────── */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
    .hero-grid { display: none; }
}

/* ─── Print ──────────────────────────────────────────────── */
@media print {
    header, footer, nav, .cta-band, .sidebar-ad-zone, .in-article-ad-zone { display: none !important; }
    body { background: #fff; }
    a::after { content: ' (' attr(href) ')'; }
}