/* ==========================================================
   B&K CLEAN — Bruxelles
   Palette : bleu ciel + vert tendre, blanc, gris clair
   ========================================================== */

:root {
    --color-primary: #2aa1d6;       /* bleu ciel — propreté, confiance */
    --color-primary-dark: #1f7fa9;
    --color-secondary: #6cc28a;     /* vert tendre — fraîcheur, hygiène */
    --color-secondary-dark: #4ea36d;
    --color-bg: #ffffff;
    --color-bg-alt: #f3f8fb;
    --color-bg-soft: #eaf3f9;
    --color-text: #243748;
    --color-text-soft: #5d7384;
    --color-border: #d8e4ec;
    --color-footer: #1c3344;
    --color-footer-text: #c4d6e3;
    --shadow-sm: 0 2px 6px rgba(31, 127, 169, 0.08);
    --shadow-md: 0 8px 22px rgba(31, 127, 169, 0.12);
    --radius: 10px;
    --radius-lg: 14px;
    --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 22px;
}

/* ============ Header ============ */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    gap: 16px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.18rem;
    color: var(--color-text);
    letter-spacing: 0.3px;
}
.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.logo-mark::after {
    content: "";
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    opacity: 0.85;
}
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 22px;
    align-items: center;
}
.main-nav a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.97rem;
    padding: 6px 2px;
    position: relative;
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary-dark);
}
.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}
.nav-cta {
    background: var(--color-primary);
    color: #fff !important;
    padding: 8px 16px !important;
    border-radius: 8px;
    transition: background var(--transition);
}
.nav-cta:hover {
    background: var(--color-primary-dark);
    color: #fff !important;
}
.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    font-size: 1.5rem;
    color: var(--color-text);
    cursor: pointer;
}

/* ============ Hero ============ */
.hero {
    background:
        radial-gradient(circle at 85% 15%, rgba(108,194,138,0.20), transparent 55%),
        radial-gradient(circle at 10% 80%, rgba(42,161,214,0.18), transparent 60%),
        linear-gradient(180deg, #f3fbff 0%, #eaf6ee 100%);
    padding: 80px 0 70px;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero h1 {
    font-size: 2.6rem;
    line-height: 1.15;
    margin-bottom: 18px;
    color: var(--color-text);
    letter-spacing: -0.3px;
}
.hero h1 span { color: var(--color-primary-dark); }
.hero p.lead {
    font-size: 1.1rem;
    color: var(--color-text-soft);
    margin-bottom: 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust {
    margin-top: 32px;
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    color: var(--color-text-soft);
    font-size: 0.92rem;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust span::before {
    content: "✓";
    color: var(--color-secondary-dark);
    font-weight: 700;
}
.hero-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--color-secondary);
}
.hero-card h3 {
    font-size: 1.15rem;
    margin-bottom: 18px;
    color: var(--color-primary-dark);
}
.hero-card ul { list-style: none; }
.hero-card li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--color-border);
    display: flex;
    justify-content: space-between;
    color: var(--color-text);
    font-size: 0.96rem;
}
.hero-card li:last-child { border: 0; }
.hero-card li strong { color: var(--color-primary-dark); }

/* ============ Buttons ============ */
.btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.98rem;
    border: 0;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
    text-align: center;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff !important;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.btn-secondary {
    background: #fff;
    color: var(--color-primary-dark) !important;
    border: 1.5px solid var(--color-primary);
}
.btn-secondary:hover {
    background: var(--color-bg-soft);
}
.btn-lg { padding: 14px 28px; font-size: 1.04rem; }

/* ============ Sections ============ */
.section { padding: 70px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 46px;
}
.section-head h2 {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--color-text);
}
.section-head p { color: var(--color-text-soft); font-size: 1.04rem; }

h2 { font-size: 1.7rem; margin-bottom: 14px; color: var(--color-text); }
h3 { font-size: 1.18rem; margin-bottom: 10px; color: var(--color-text); }
p { margin-bottom: 12px; }

/* ============ Service grid ============ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.service-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px 22px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.service-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: var(--color-bg-soft);
    color: var(--color-primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    margin-bottom: 14px;
}
.service-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.service-card p { font-size: 0.93rem; color: var(--color-text-soft); margin: 0; }

/* ============ Stats ============ */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    text-align: center;
}
.stat {
    background: #fff;
    padding: 26px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}
.stat-num {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.1;
}
.stat-label { color: var(--color-text-soft); font-size: 0.92rem; margin-top: 6px; }

/* ============ Process ============ */
.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.process-step {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px 22px;
    position: relative;
}
.process-step .step-num {
    position: absolute;
    top: -16px;
    left: 22px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.92rem;
    box-shadow: var(--shadow-sm);
}
.process-step h3 { font-size: 1.04rem; margin: 8px 0 8px; color: var(--color-primary-dark); }
.process-step p { font-size: 0.93rem; color: var(--color-text-soft); margin: 0; }

/* ============ Testimonials ============ */
.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.testimonial {
    background: #fff;
    padding: 26px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-secondary);
}
.testimonial p { font-style: italic; color: var(--color-text); margin-bottom: 14px; }
.testimonial .who {
    font-size: 0.92rem;
    color: var(--color-text-soft);
    font-weight: 600;
}
.stars { color: #f5b301; margin-bottom: 8px; letter-spacing: 1px; }

/* ============ Features (4 col blocks) ============ */
.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.feature {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: 24px 22px;
    text-align: left;
}
.feature h3 { color: var(--color-primary-dark); font-size: 1.05rem; }
.feature p { color: var(--color-text-soft); font-size: 0.93rem; margin: 0; }

/* ============ CTA band ============ */
.cta-band {
    background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    padding: 56px 0;
}
.cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 26px;
    flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,0.92); margin: 0; }
.cta-band .btn-primary {
    background: #fff;
    color: var(--color-primary-dark) !important;
}
.cta-band .btn-primary:hover { background: var(--color-bg-alt); }

/* ============ Page hero (interior pages) ============ */
.page-hero {
    background: linear-gradient(180deg, #f3fbff 0%, #ffffff 100%);
    padding: 56px 0 30px;
    border-bottom: 1px solid var(--color-border);
}
.page-hero h1 {
    font-size: 2.1rem;
    margin-bottom: 10px;
}
.page-hero p { color: var(--color-text-soft); max-width: 760px; }
.breadcrumb {
    color: var(--color-text-soft);
    font-size: 0.88rem;
    margin-bottom: 14px;
}

/* ============ Two columns ============ */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.two-col-form {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

/* ============ Forms ============ */
.form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label {
    display: flex;
    flex-direction: column;
    font-size: 0.92rem;
    color: var(--color-text);
    font-weight: 500;
    gap: 6px;
}
.form input,
.form select,
.form textarea {
    padding: 11px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font: inherit;
    background: #fff;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: 0;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(42,161,214,0.18);
}
.form textarea { resize: vertical; min-height: 110px; }
.form .checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--color-text-soft);
    font-weight: 400;
}
.form .checkbox input { margin-top: 3px; }
.form-success {
    background: #e8f7ee;
    color: #1f6e3f;
    border: 1px solid #bde3c8;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
}

/* ============ Callout ============ */
.callout {
    background: var(--color-bg-soft);
    border-left: 4px solid var(--color-primary);
    padding: 18px 20px;
    border-radius: 8px;
    margin: 14px 0;
}
.callout strong { color: var(--color-primary-dark); display: block; margin-bottom: 6px; }
.callout p { margin: 0; }

/* ============ Map ============ */
.map-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

/* ============ Steps list ============ */
.steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
}
.steps li {
    counter-increment: step;
    padding: 14px 0 14px 50px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}
.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 14px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}
.steps li:last-child { border: 0; }

/* ============ Service detail ============ */
.service-detail {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 22px;
}
.service-detail h2 {
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: 12px;
}
.service-detail h2 .ico {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--color-bg-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.service-detail ul {
    margin: 12px 0 0 22px;
    color: var(--color-text-soft);
}
.service-detail ul li { padding: 4px 0; }

/* ============ Content page (legal) ============ */
.content-page { padding: 50px 0 70px; }
.content-page h1 { margin-bottom: 8px; }
.content-page h2 {
    margin-top: 30px;
    color: var(--color-primary-dark);
    font-size: 1.25rem;
}
.content-page h3 {
    margin-top: 22px;
    font-size: 1.05rem;
    color: var(--color-text);
}
.content-page p,
.content-page ul,
.content-page ol { margin-bottom: 12px; color: var(--color-text); }
.content-page ul,
.content-page ol { padding-left: 22px; }
.content-page li { padding: 3px 0; }
.legal-date {
    color: var(--color-text-soft);
    font-size: 0.9rem;
    margin-bottom: 26px;
}
.content-page code {
    background: var(--color-bg-soft);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* ============ Footer ============ */
.site-footer {
    background: var(--color-footer);
    color: var(--color-footer-text);
    padding: 50px 0 22px;
    margin-top: 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
    gap: 30px;
    margin-bottom: 28px;
}
.site-footer h4 {
    color: #fff;
    margin-bottom: 14px;
    font-size: 1rem;
}
.site-footer p { color: var(--color-footer-text); font-size: 0.92rem; }
.site-footer ul { list-style: none; }
.site-footer li { padding: 4px 0; font-size: 0.92rem; }
.site-footer a { color: var(--color-footer-text); }
.site-footer a:hover { color: #fff; }
.legal-info {
    margin-top: 14px;
    font-size: 0.85rem;
    color: rgba(196,214,227,0.85);
    line-height: 1.7;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.10);
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.85rem;
    color: rgba(196,214,227,0.85);
}

/* ============ Cookie banner ============ */
.cookie-banner {
    position: fixed;
    bottom: 16px;
    left: 16px;
    right: 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    z-index: 200;
    padding: 16px 20px;
}
.cookie-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}
.cookie-inner p { margin: 0; font-size: 0.93rem; color: var(--color-text); flex: 1 1 320px; }
.cookie-actions { display: flex; gap: 10px; }

/* ============ Responsive ============ */
@media (max-width: 960px) {
    .hero-inner { grid-template-columns: 1fr; gap: 36px; }
    .hero h1 { font-size: 2.1rem; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .process { grid-template-columns: repeat(2, 1fr); }
    .testimonials { grid-template-columns: 1fr; }
    .features { grid-template-columns: repeat(2, 1fr); }
    .two-col, .two-col-form { grid-template-columns: 1fr; gap: 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        padding: 10px 22px;
    }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; gap: 0; align-items: stretch; }
    .main-nav li { border-bottom: 1px solid var(--color-border); }
    .main-nav li:last-child { border: 0; }
    .main-nav a { display: block; padding: 12px 0; }
    .nav-toggle { display: inline-flex; }
    .header-inner { position: relative; }
}

@media (max-width: 720px) {
    .hero { padding: 60px 0 50px; }
    .hero h1 { font-size: 1.78rem; }
    .section { padding: 50px 0; }
    .section-head h2 { font-size: 1.55rem; }
    .services-grid { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr 1fr; }
    .process { grid-template-columns: 1fr; }
    .features { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-inner { flex-direction: column; text-align: center; }
}