:root {
  --color-bg: #ffffff;
  --color-text: #1f2430;
  --color-text-muted: #5a6072;
  --color-accent: #1a5fb4;
  --color-accent-light: #e8f0fb;
  --color-border: #e2e5ec;
  --color-surface: #f7f8fb;
  --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14161c;
    --color-text: #e7e9ee;
    --color-text-muted: #a1a6b5;
    --color-accent: #6ea8ff;
    --color-accent-light: #1c2536;
    --color-border: #2a2d38;
    --color-surface: #1b1e27;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 17px;
}

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

.page-header {
  padding: 48px 0 24px;
}

.page-header h1 {
  margin: 0 0 8px;
  font-size: 1.8rem;
  font-weight: 700;
}

.page-header .updated {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

main {
  padding: 8px 0 64px;
}

.company-box {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 32px;
}

.company-box p {
  margin: 4px 0;
}

.intro p {
  margin: 0 0 16px;
}

.toc {
  margin: 32px 0 40px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.toc h2 {
  margin: 0 0 10px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.toc ol {
  margin: 0;
  padding-left: 20px;
}

.toc li {
  margin-bottom: 4px;
}

.toc a {
  color: var(--color-accent);
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
}

section {
  margin-top: 40px;
  scroll-margin-top: 20px;
}

h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 14px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 22px 0 8px;
}

p {
  margin: 0 0 14px;
  text-align: justify;
}

ul {
  margin: 0 0 14px;
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--color-accent);
}

.note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.rights-list {
  margin: 16px 0;
}

.rights-list dt {
  font-weight: 700;
  margin-top: 16px;
}

.rights-list dd {
  margin: 4px 0 0;
  padding-left: 0;
  color: var(--color-text-muted);
  text-align: justify;
}

.back-to-top {
  margin-top: 48px;
  font-size: 0.9rem;
}

.back-to-top a {
  text-decoration: none;
}

.page-footer {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
}

.page-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

@media (max-width: 600px) {
  .page-header {
    padding: 32px 0 20px;
  }
  .page-header h1 {
    font-size: 1.4rem;
  }
  body {
    font-size: 16px;
  }
}

/* ---------- Page d'accueil ---------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background-color: var(--color-bg);
  z-index: 10;
}

.site-header-inner {
  max-width: 1080px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 24px;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--color-accent);
}

.hero {
  background-color: var(--color-surface);
  padding: 64px 0;
}

.hero-inner {
  max-width: 1080px;
}

.hero-text {
  max-width: 640px;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.3;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 24px;
  text-align: left;
}

.hero-note {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  opacity: 0.9;
}

.advantages {
  padding: 56px 0;
}

.advantages-grid {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
}

.advantage-card h3 {
  margin: 0 0 8px;
}

.advantage-card p {
  margin: 0;
  color: var(--color-text-muted);
  text-align: left;
}

.steps {
  background-color: var(--color-surface);
  padding: 56px 0;
}

.steps .container,
.works .container,
.contact-section .container {
  max-width: 1080px;
}

.steps h2,
.works h2,
.contact-section h2 {
  font-size: 1.5rem;
  margin: 0 0 32px;
  text-align: center;
}

.steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.steps-list li {
  display: flex;
  gap: 16px;
  margin: 0;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.steps-list h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.steps-list p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-align: left;
}

.works {
  padding: 56px 0;
}

.works-list {
  max-width: 720px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}

.works-list li {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  margin: 0;
}

.contact-section {
  padding: 56px 0 72px;
}

.contact-section > .container > p {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
}

.contact-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.9rem;
  font-weight: 600;
}

.form-row input[type="text"],
.form-row input[type="tel"],
.form-row input[type="email"] {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--color-bg);
  color: var(--color-text);
}

.form-checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.form-checkbox input {
  margin-top: 4px;
}

.form-checkbox label {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.contact-form .btn {
  margin-top: 8px;
}

.footer-inner {
  max-width: 1080px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-inner a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.9rem;
}

th,
td {
  border: 1px solid var(--color-border, #ddd);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-bg-alt, #f5f5f5);
  font-weight: 600;
}

@media (max-width: 800px) {
  table {
    display: block;
    overflow-x: auto;
  }

  .advantages-grid,
  .steps-list {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .works-list {
    grid-template-columns: 1fr;
  }
}