/* ==========================================================================
   Audit Suivi QSE — feuille de style
   ========================================================================== */

:root {
    --color-primary: #3361F8;
    --color-primary-dark: #2748c4;
    --color-secondary: #FFFC6E;
    --color-dark: #252525;
    --color-text: #3f3f46;
    --color-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-bg-alt: #f6f8ff;
    --color-white: #ffffff;
    --font-sans: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --radius: 10px;
    --shadow: 0 10px 30px rgba(37, 37, 60, 0.08);
    --shadow-hover: 0 16px 40px rgba(51, 97, 248, 0.18);
    --transition: all .25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-sans);
    color: var(--color-dark);
    line-height: 1.25;
    margin: 0 0 .6em;
    font-weight: 700;
}

h1 { font-size: clamp(1.9rem, 3vw + 1rem, 2.75rem); }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

ul { padding-left: 1.2em; }

img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5em;
    padding: .8em 1.6em;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 8px 20px rgba(51, 97, 248, 0.3);
}
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-white); transform: translateY(-2px); }

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-dark);
}
.btn-secondary:hover { background: #f5f235; color: var(--color-dark); transform: translateY(-2px); }

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}
.btn-outline:hover { background: var(--color-white); color: var(--color-primary); }

/* --- Header --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 14px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-dark);
}
.logo-mark { display: inline-flex; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 1.05rem; color: var(--color-dark); }
.logo-text small { font-size: .7rem; color: var(--color-muted); letter-spacing: .03em; }

.main-nav { flex: 1; }
.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
    justify-content: center;
}
.main-nav a {
    display: block;
    padding: .5em .9em;
    border-radius: 999px;
    font-weight: 500;
    font-size: .95rem;
    color: var(--color-dark);
}
.main-nav a:hover, .main-nav a.is-active {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.btn-tel { font-weight: 600; color: var(--color-dark); font-size: .9rem; white-space: nowrap; }
.btn-tel:hover { color: var(--color-primary); }

.nav-toggle { display: none; }
.nav-toggle-label {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle-label span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
}

/* --- Breadcrumb --- */
.breadcrumb {
    background: var(--color-bg-alt);
    font-size: .85rem;
    padding: 12px 0;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb span:last-child { color: var(--color-dark); font-weight: 500; }

/* --- Hero --- */
.hero {
    background: linear-gradient(135deg, #10193f 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
    color: var(--color-white);
    padding: 90px 0 110px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,252,110,0.25), transparent 70%);
}
.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero .eyebrow {
    display: inline-block;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    padding: .35em 1em;
    border-radius: 999px;
    font-size: .8rem;
    letter-spacing: .04em;
    margin-bottom: 1.2em;
}
.hero h1 { color: var(--color-white); }
.hero p.lead { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2em; }

.page-hero {
    background: linear-gradient(135deg, #10193f 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 64px 0;
}
.page-hero h1 { color: var(--color-white); margin-bottom: .3em; }
.page-hero p { color: rgba(255,255,255,0.85); max-width: 65ch; margin: 0; }

/* --- Sections --- */
section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { max-width: 700px; margin: 0 auto 3em; text-align: center; }
.section-head .kicker {
    display: block;
    color: var(--color-primary);
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: .6em;
}

/* --- Card grid (piliers ISO) --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--color-primary); }
.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
}
.service-card h3 { margin-bottom: .5em; }
.service-card p { color: var(--color-muted); margin-bottom: 1.2em; }
.service-card a.more { font-weight: 600; }

/* --- Contenu article (pages normes) --- */
.article-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: start;
}
.article-body h2 { margin-top: 1.6em; }
.article-body h2:first-child { margin-top: 0; }

.definition-box {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 22px 26px;
    margin: 1.6em 0;
}
.definition-box p:last-child { margin-bottom: 0; }

.clause-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 1.6em 0;
}
.clause-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 18px;
}
.clause-card strong { color: var(--color-primary); display: block; margin-bottom: .3em; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; }

.ecart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 1.6em 0; }
.ecart-card { border-radius: var(--radius); padding: 18px 20px; }
.ecart-mineur { background: #fff8e1; border: 1px solid #f5e2a0; }
.ecart-majeur { background: #fdeaea; border: 1px solid #f3bcbc; }

.alert-box {
    background: #fdeaea;
    border-left: 4px solid #d64545;
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 22px 26px;
    margin: 1.6em 0;
}
.alert-box p:last-child { margin-bottom: 0; }

.table-wrap { overflow-x: auto; margin: 1.6em 0; }
.article-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.article-table th, .article-table td { padding: 12px 14px; border: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.article-table thead th { background: var(--color-bg-alt); color: var(--color-dark); font-weight: 600; }
.article-table tbody tr:nth-child(even) { background: #fafbff; }

/* --- Sidebar --- */
.sidebar-box {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}
.sidebar-box h3 { font-size: 1rem; margin-bottom: .8em; }
.sidebar-contact li { list-style: none; margin-bottom: .7em; padding-left: 0; }
.sidebar-contact { padding-left: 0; }
.sidebar-cta { text-align: center; }
.sidebar-cta .btn { width: 100%; margin-top: .6em; }

.related-articles ul { list-style: none; padding: 0; margin: 0; }
.related-articles li { padding: .5em 0; border-bottom: 1px solid var(--color-border); }
.related-articles li:last-child { border-bottom: none; }

/* --- CTA banner --- */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: var(--radius);
    padding: 52px 40px;
    text-align: center;
}
.cta-banner h2 { color: var(--color-white); }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 60ch; margin: 0 auto 1.4em; }

/* --- Valeurs (notre entreprise) --- */
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.value-item { text-align: center; padding: 20px; }
.value-item .service-icon { margin: 0 auto 16px; }

/* --- FAQ --- */
.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px 28px;
    margin-bottom: 20px;
    background: var(--color-white);
}
.faq-item h2 { font-size: 1.15rem; margin-bottom: .5em; }
.faq-item h2 .q-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: .85rem;
    margin-right: .5em;
}

/* --- Form (contact) --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: start;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: .4em; font-size: .92rem; }
.form-group input,
.form-group textarea {
    width: 100%;
    padding: .8em 1em;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: .95rem;
    background: var(--color-white);
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(51,97,248,0.15);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-hp { position: absolute; left: -9999px; opacity: 0; }

.alert { padding: 16px 20px; border-radius: 8px; margin-bottom: 24px; font-weight: 500; }
.alert-success { background: #e6f7ee; color: #14804a; border: 1px solid #b6e6cc; }
.alert-error { background: #fdeaea; color: #b42318; border: 1px solid #f3bcbc; }

/* --- Footer --- */
.site-footer { background: var(--color-dark); color: #cfcfd6; margin-top: 40px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    gap: 40px;
    padding: 64px 24px 40px;
}
.footer-col h3 { color: var(--color-white); font-size: 1rem; margin-bottom: 1em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: .7em; }
.footer-col a { color: #cfcfd6; }
.footer-col a:hover { color: var(--color-secondary); }
.footer-about .logo-text strong { color: var(--color-white); }
.footer-about .logo-text small { color: #9a9aa5; }
.footer-about p { margin: 14px 0; color: #9a9aa5; font-size: .92rem; }
.social-link {
    display: inline-block;
    padding: .5em 1.2em;
    border: 1px solid #45454f;
    border-radius: 999px;
    font-size: .85rem;
    color: var(--color-white) !important;
}
.social-link:hover { border-color: var(--color-secondary); }

.footer-bottom { border-top: 1px solid #3a3a44; }
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 24px;
    font-size: .82rem;
    color: #85858f;
}
.footer-bottom-inner a { color: #85858f; }

/* --- Responsive --- */
@media (max-width: 980px) {
    .card-grid { grid-template-columns: 1fr; }
    .article-layout, .contact-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
    .main-nav {
        position: fixed;
        inset: 64px 0 0 0;
        background: var(--color-white);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        overflow-y: auto;
        padding: 20px;
    }
    .main-nav ul { flex-direction: column; align-items: stretch; }
    .main-nav a { padding: .9em 1em; }
    .nav-toggle:checked ~ .main-nav { opacity: 1; transform: translateY(0); pointer-events: auto; }
    .nav-toggle-label { display: flex; }
    .header-cta .btn-tel { display: none; }
}

@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; padding: 48px 24px 32px; }
    .hero { padding: 64px 0 80px; }
    section { padding: 52px 0; }
    .cta-banner { padding: 36px 24px; }
}