/* ==========================================================
   AuditDevis.be - CSS principal
   Palette : bleu marine corporate + accent or CTA
   ========================================================== */

:root {
  --color-primary: #1e3a5f;
  --color-primary-dark: #15293f;
  --color-secondary: #2e75b6;
  --color-accent: #f0a500;
  --color-accent-dark: #d48d00;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-cta: #fff7e6;
  --color-text: #1a1a1a;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --shadow-sm: 0 1px 3px rgba(30, 58, 95, 0.08);
  --shadow-md: 0 4px 12px rgba(30, 58, 95, 0.10);
  --shadow-lg: 0 10px 30px rgba(30, 58, 95, 0.12);
  --radius: 8px;
  --radius-lg: 14px;
  --container: 1140px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--color-secondary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary); text-decoration: underline; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Headings */
h1, h2, h3, h4 { color: var(--color-primary); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 20px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 16px; margin-top: 48px; }
h3 { font-size: 1.35rem; margin-bottom: 12px; margin-top: 28px; }
h4 { font-size: 1.1rem; margin-bottom: 8px; margin-top: 20px; }

p { margin-bottom: 16px; }
ul, ol { margin: 16px 0 16px 24px; }
li { margin-bottom: 8px; }

strong { color: var(--color-primary); font-weight: 700; }

/* =========== Header / Nav =========== */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.logo {
  font-weight: 800; font-size: 1.3rem; color: var(--color-primary);
  text-decoration: none; display: flex; align-items: center; gap: 8px;
}
.logo span { color: var(--color-accent); }
.logo::before {
  content: ""; width: 28px; height: 28px; background: var(--color-primary);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M14.69 2.21a1 1 0 0 0-1.7-.6L4.3 10.3a1 1 0 0 0 .71 1.7H9.5v7.8a1 1 0 0 0 1.72.69l8.48-8.49a1 1 0 0 0-.7-1.7H14.7V2.2z'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M14.69 2.21a1 1 0 0 0-1.7-.6L4.3 10.3a1 1 0 0 0 .71 1.7H9.5v7.8a1 1 0 0 0 1.72.69l8.48-8.49a1 1 0 0 0-.7-1.7H14.7V2.2z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.nav-links { display: flex; gap: 28px; align-items: center; list-style: none; margin: 0; }
.nav-links a { color: var(--color-text); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  font-size: 1.5rem; color: var(--color-primary);
}

/* =========== Buttons =========== */
.btn {
  display: inline-block; padding: 14px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.98rem; cursor: pointer; border: 0;
  transition: all .2s; text-align: center; line-height: 1.3;
}
.btn-primary {
  background: var(--color-accent); color: #1a1a1a;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-accent-dark); color: #fff;
  transform: translateY(-1px); box-shadow: var(--shadow-md); text-decoration: none;
}
.btn-secondary {
  background: var(--color-primary); color: #fff;
}
.btn-secondary:hover {
  background: var(--color-primary-dark); color: #fff; text-decoration: none;
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent; color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* =========== Hero =========== */
.hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #2e75b6 100%);
  color: #fff; padding: 80px 0 90px; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: 0; right: 0; width: 50%; height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 400' opacity='0.08'%3E%3Cpath d='M200 50 L150 200 L200 200 L150 350 L250 180 L200 180 L250 50 Z' fill='%23fff'/%3E%3C/svg%3E") no-repeat center/contain;
  pointer-events: none;
}
.hero-content { position: relative; max-width: 720px; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 24px; }
.hero .sub {
  font-size: 1.2rem; margin-bottom: 32px; color: rgba(255,255,255,0.92);
  max-width: 640px;
}
.hero-badges {
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px;
  font-size: 0.9rem;
}
.hero-badge {
  background: rgba(255,255,255,0.12); padding: 8px 14px; border-radius: 100px;
  display: flex; align-items: center; gap: 6px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* =========== Sections =========== */
section { padding: 60px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title-block { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-title-block h2 { margin-top: 0; }
.section-title-block p { color: var(--color-text-muted); font-size: 1.1rem; }
.eyebrow {
  display: inline-block; background: var(--color-bg-cta); color: var(--color-accent-dark);
  padding: 6px 14px; border-radius: 100px; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em;
}

/* =========== Feature Grid =========== */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.feature {
  background: #fff; padding: 32px 26px; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); transition: all .25s;
}
.feature:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}
.feature-icon {
  width: 52px; height: 52px; background: var(--color-bg-cta);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 1.6rem;
}
.feature h3 { margin-top: 0; font-size: 1.2rem; }
.feature p { color: var(--color-text-muted); font-size: 0.97rem; margin-bottom: 0; }

/* =========== Pricing =========== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 40px; }
.price-card {
  background: #fff; padding: 36px 28px; border-radius: var(--radius-lg);
  border: 2px solid var(--color-border); position: relative;
  display: flex; flex-direction: column;
}
.price-card.featured {
  border-color: var(--color-accent); box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.price-card .badge-popular {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--color-accent); color: #1a1a1a; padding: 6px 16px;
  border-radius: 100px; font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.price-card h3 { font-size: 1.3rem; margin-top: 0; }
.price-tag {
  font-size: 2.8rem; font-weight: 800; color: var(--color-primary);
  margin: 12px 0 4px; line-height: 1;
}
.price-tag small { font-size: 1rem; color: var(--color-text-muted); font-weight: 400; }
.price-desc { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 20px; }
.price-features { list-style: none; margin: 20px 0; padding: 0; flex-grow: 1; }
.price-features li {
  padding: 8px 0 8px 28px; position: relative; font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}
.price-features li:last-child { border-bottom: 0; }
.price-features li::before {
  content: "✓"; position: absolute; left: 0; top: 7px;
  color: var(--color-success); font-weight: 800;
}

/* =========== Testimonials =========== */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.testimonial {
  background: #fff; padding: 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); position: relative;
}
.testimonial::before {
  content: "\201C"; position: absolute; top: 10px; right: 20px;
  font-size: 4rem; color: var(--color-bg-cta); font-family: Georgia, serif; line-height: 1;
}
.testimonial p { font-style: italic; color: #333; margin-bottom: 18px; position: relative; }
.testimonial-author {
  display: flex; align-items: center; gap: 12px; font-size: 0.9rem;
}
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.testimonial-author strong { display: block; color: var(--color-primary); font-size: 0.95rem; }
.testimonial-author span { color: var(--color-text-muted); font-size: 0.85rem; }
.stars { color: var(--color-accent); margin-bottom: 8px; font-size: 0.95rem; }

/* =========== FAQ =========== */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
}
.faq summary {
  padding: 18px 22px; cursor: pointer; font-weight: 600;
  color: var(--color-primary); list-style: none; display: flex;
  justify-content: space-between; align-items: center; font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.4rem; color: var(--color-accent); font-weight: 300;
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] summary { border-bottom: 1px solid var(--color-border); }
.faq .answer { padding: 18px 22px; color: #333; }
.faq .answer p { margin-bottom: 12px; }
.faq .answer p:last-child { margin-bottom: 0; }

/* =========== CTA Banner =========== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; padding: 60px 0; text-align: center;
}
.cta-banner h2 { color: #fff; margin-top: 0; }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 1.1rem; margin-bottom: 28px; }

/* =========== Form =========== */
.form-wrap {
  background: #fff; padding: 40px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); max-width: 700px; margin: 0 auto;
  border: 1px solid var(--color-border);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-weight: 600; margin-bottom: 6px;
  color: var(--color-primary); font-size: 0.95rem;
}
.form-group .hint { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 4px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--color-border);
  border-radius: var(--radius); font-size: 1rem; font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 0; border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(46, 117, 182, 0.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-success, .form-error {
  display: none; padding: 14px 18px; border-radius: var(--radius);
  margin-bottom: 20px; font-size: 0.95rem;
}
.form-success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.form-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* =========== Footer =========== */
footer {
  background: var(--color-primary-dark); color: rgba(255,255,255,0.8);
  padding: 50px 0 24px; font-size: 0.93rem;
}
footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; margin-top: 0; }
footer a { color: rgba(255,255,255,0.7); }
footer a:hover { color: var(--color-accent); text-decoration: none; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 32px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px;
  text-align: center; color: rgba(255,255,255,0.55); font-size: 0.85rem;
}

/* =========== Blog =========== */
.article-hero {
  background: var(--color-bg-alt); padding: 60px 0 40px;
  border-bottom: 1px solid var(--color-border);
}
.article-meta { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 14px; }
.article-meta a { color: var(--color-secondary); }
.article-body { max-width: 780px; margin: 50px auto; padding: 0 20px; }
.article-body h2 { margin-top: 40px; }
.article-body h3 { margin-top: 30px; }
.article-body p { font-size: 1.05rem; line-height: 1.75; }
.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 14px 20px; background: var(--color-bg-alt);
  margin: 24px 0; font-style: italic; color: #333;
}
.article-body table {
  width: 100%; border-collapse: collapse; margin: 24px 0;
  background: #fff; box-shadow: var(--shadow-sm); border-radius: var(--radius);
  overflow: hidden;
}
.article-body th { background: var(--color-primary); color: #fff; padding: 12px; text-align: left; }
.article-body td { padding: 12px; border-bottom: 1px solid var(--color-border); }
.article-body tr:last-child td { border-bottom: 0; }

.blog-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden; transition: all .25s;
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-card-img {
  height: 160px; background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex; align-items: center; justify-content: center; color: #fff;
  font-size: 3rem; opacity: 0.85;
}
.blog-card-body { padding: 22px; flex-grow: 1; display: flex; flex-direction: column; }
.blog-card h3 { margin-top: 0; font-size: 1.15rem; line-height: 1.35; }
.blog-card h3 a { color: var(--color-primary); text-decoration: none; }
.blog-card h3 a:hover { color: var(--color-secondary); }
.blog-card p { color: var(--color-text-muted); font-size: 0.95rem; flex-grow: 1; }
.blog-card .read-more {
  color: var(--color-secondary); font-weight: 600; font-size: 0.9rem;
  margin-top: 12px;
}

/* =========== Local areas =========== */
.local-areas {
  background: #fff; padding: 30px; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); margin: 30px 0;
}
.local-areas ul {
  list-style: none; margin: 16px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 16px;
}
.local-areas li { padding: 6px 0; padding-left: 22px; position: relative; margin-bottom: 0; font-size: 0.95rem; }
.local-areas li::before {
  content: "📍"; position: absolute; left: 0; font-size: 0.9rem;
}

/* =========== Stats band =========== */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  background: #fff; padding: 36px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); margin-top: -40px; position: relative; z-index: 5;
}
.stat { text-align: center; }
.stat-num { font-size: 2.4rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
.stat-label { color: var(--color-text-muted); font-size: 0.9rem; margin-top: 6px; }

/* =========== Process steps =========== */
.steps { counter-reset: step; margin: 40px 0; }
.step {
  display: flex; gap: 24px; margin-bottom: 28px;
  padding: 24px; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.step-num {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800;
}
.step-content h3 { margin-top: 0; margin-bottom: 8px; }
.step-content p { color: var(--color-text-muted); margin-bottom: 0; }

/* =========== Breadcrumbs =========== */
.breadcrumbs {
  font-size: 0.88rem; color: var(--color-text-muted); margin-bottom: 14px;
}
.breadcrumbs a { color: var(--color-secondary); }
.breadcrumbs span { margin: 0 6px; }

/* =========== Responsive =========== */
@media (max-width: 900px) {
  .grid-3, .pricing-grid, .testimonials, .blog-list { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .form-row { grid-template-columns: 1fr; }
  .local-areas ul { grid-template-columns: repeat(2, 1fr); }
  .price-card.featured { transform: none; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 20px;
    box-shadow: var(--shadow-md); gap: 18px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  section { padding: 48px 0; }
  .hero { padding: 60px 0 70px; }
  .form-wrap { padding: 26px; }
}

@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 14px; padding: 22px; }
  .stat-num { font-size: 1.8rem; }
  .local-areas ul { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 12px; padding: 20px; }
}

/* ==========================================================
   Section « Qui suis-je ? » — photo + bio layout
   ========================================================== */
.expert-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 44px;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
}
.expert-photo img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: block;
}
.expert-bio {
  font-size: 1.05rem;
  line-height: 1.75;
}
.expert-bio p { margin-bottom: 16px; }
.expert-bio p:last-of-type { margin-bottom: 0; }

@media (max-width: 860px) {
  .expert-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    max-width: 720px;
  }
  .expert-photo img { max-width: 560px; margin: 0 auto; }
}