/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, figure, blockquote, ul { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Tokens ---------- */
:root {
  --color-ink: #12203A;
  --color-navy: #1F3A5F;
  --color-accent: #C4622D;
  --color-accent-btn: #B95A28;
  --color-bg: #FAF8F5;
  --color-bg-alt: #F0ECE6;
  --color-card: #FFFFFF;
  --color-text: #1C1C1C;
  --color-text-muted: #5B5B5B;
  --color-border: #E4DFD8;
  --color-heading: var(--color-ink);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --container-w: 1040px;
}

/* ---------- Apparence sombre : mêmes tokens, valeurs sombres — --color-ink
   et --color-navy restent inchangés (déjà utilisés comme fonds sombres à
   texte blanc, corrects dans les deux thèmes) ; seul --color-heading (texte
   de titre) bascule en blanc. ---------- */
html[data-theme="dark"] {
  --color-bg: #0D0D10;
  --color-bg-alt: #1C1C1E;
  --color-card: #242428;
  --color-text: #E9E9EC;
  --color-text-muted: #9A9A9E;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-heading: #FFFFFF;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 640px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-ink);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: 8px;
  z-index: 200;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 16px; }

:focus-visible {
  outline: 3px solid var(--color-accent-btn);
  outline-offset: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}
.btn--accent { background: var(--color-accent-btn); color: #FFFFFF; }
.btn--accent:hover { background: #a04e21; }
.btn--outline-light {
  border-color: rgba(255,255,255,0.5);
  color: #FFFFFF;
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
}
.btn--outline-light:hover { border-color: #FFFFFF; background: rgba(0, 0, 0, 0.45); }
.btn--ghost { border-color: var(--color-accent-btn); color: var(--color-accent-btn); align-self: flex-start; }
.btn--ghost:hover { background: var(--color-accent-btn); color: #FFFFFF; }
.btn--header { padding: 10px 20px; font-size: 13px; }
.btn--small { padding: 10px 16px; font-size: 13px; }
.btn--full { width: 100%; padding: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
}
.site-header__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.primary-nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
}
.primary-nav a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
}
.primary-nav a:hover { color: #FFFFFF; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle__bar {
  width: 22px;
  height: 2px;
  background: #FFFFFF;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--color-ink) 0%, var(--color-navy) 100%);
  color: #FFFFFF;
  padding: 120px 24px 96px;
  display: flex;
  justify-content: center;
  text-align: center;
}
.hero__inner {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.hero__inner h1 {
  font-size: 44px;
  line-height: 1.15;
  font-weight: 700;
}
.hero__lead {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-btn);
}
.eyebrow--on-dark { color: var(--color-accent); }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--trust {
  padding: 48px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.section__heading {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
  margin-bottom: 44px;
}
.section__heading h2 { font-size: 28px; color: var(--color-heading); }
.section__heading--on-dark h2 { color: #FFFFFF; }
.section__heading-lead {
  max-width: 560px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ---------- Pillars (Expertise) ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.pillars--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pillar {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pillar__number {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.4;
}
.pillar h3 { font-size: 20px; color: var(--color-heading); }
.pillar p { color: var(--color-text-muted); font-size: 15px; line-height: 1.6; }
.pillar__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}
.pillar__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-muted);
}
.pillar__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-btn);
}

/* ---------- Trust / réassurance ---------- */
.trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.trust__label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--color-text-muted);
}
.trust__logos {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.trust__placeholder {
  width: 140px;
  height: 56px;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 12px;
}
.trust__logo {
  height: 40px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter 0.2s ease, opacity 0.2s ease;
}
.trust__logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* ---------- Témoignages ---------- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.testimonial {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}
.testimonial blockquote p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}
.testimonial figcaption {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial figcaption img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial figcaption div {
  display: flex;
  flex-direction: column;
}
.testimonial figcaption a {
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  color: var(--color-heading);
}
.testimonial figcaption a:hover { text-decoration: underline; }
.testimonial figcaption span {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- Parcours / À propos ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}
.about-grid__intro {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.about-grid__intro p { line-height: 1.7; font-size: 15px; }

.about-grid__details {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.detail-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.detail-block__label,
.tag-group__label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-heading);
}
.detail-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.tag-group { display: flex; flex-direction: column; gap: 8px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
}
.tag--dark { background: var(--color-ink); color: #FFFFFF; border-color: var(--color-ink); }

/* ---------- FAQ ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-heading);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  font-weight: 400;
  color: var(--color-accent-btn);
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ---------- Contact ---------- */
.section--contact { background: var(--color-ink); color: #FFFFFF; }
.contact__intro { color: rgba(255,255,255,0.75); font-size: 15px; margin-top: 8px; }

.form-result:empty { display: none; }
.form-result {
  background: var(--color-card);
  color: var(--color-heading);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 14px;
}

.contact-form {
  background: var(--color-card);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 13px; font-weight: 700; color: var(--color-heading); }
.form-field input,
.form-field textarea {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--color-text);
}
.form-field textarea { resize: vertical; }
.form-field--honeypot {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,0.7); }
.site-footer__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
}
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a { color: rgba(255,255,255,0.7); text-decoration: none; }
.footer-nav a:hover { color: #FFFFFF; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 300;
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(18, 32, 58, 0.2);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { font-size: 13px; line-height: 1.5; color: var(--color-text); }
.cookie-banner p a { color: var(--color-accent-btn); }
.cookie-banner__actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about-grid,
  .pillars,
  .testimonials,
  .form-row {
    grid-template-columns: 1fr;
  }
  .hero__inner h1 { font-size: 34px; }
  .section { padding: 64px 0; }
}

@media (max-width: 720px) {
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-ink);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 12px 0; border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-toggle { display: flex; }
  .btn--header { display: none; }
  .site-header__inner { position: relative; }
}