:root {
  /* Couleurs */
  --color-cream-50: #fdfbf7;
  --color-cream-100: #f6f0e6;
  --color-white: #ffffff;
  --color-ink: #1f2428;
  --color-text: #2a2f33;
  --color-muted: #545f68;
  --color-border: #d9d0c2;
  --color-primary: #285d52;
  --color-primary-dark: #1f4941;
  --color-accent: #a34d2f;
  --color-accent-soft: #f4e2d8;
  --color-focus: #b85f25;

  /* Typographies */
  --font-body: Lato, "Segoe UI", Roboto, Arial, sans-serif;
  --font-heading: "Source Serif 4", Georgia, "Times New Roman", serif;

  /* Espacements */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Mise en page */
  --container: 980px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --border-thin: 1px solid var(--color-border);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-cream-50);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

svg {
  display: block;
}

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

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: var(--space-md);
  z-index: 20;
  transform: translateY(-150%);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-white);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  transform: translateY(0);
}

.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;
}

/* Structure globale */
.site-header {
  background: rgba(253, 251, 247, 0.96);
  border-bottom: var(--border-thin);
}

.nav,
.page,
.site-footer {
  width: min(100% - var(--space-xl), var(--container));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease;
}

.brand:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: var(--border-thin);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.nav-toggle:hover {
  background: var(--color-cream-100);
  border-color: var(--color-primary);
}

.nav-toggle span:not(.sr-only) {
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-ink);
}

.nav-links {
  position: fixed;
  inset: 72px 0 auto 0;
  display: none;
  margin: 0;
  padding: var(--space-md);
  background: var(--color-cream-50);
  border-bottom: var(--border-thin);
  list-style: none;
}

.nav-links.is-open {
  display: grid;
  gap: var(--space-xs);
}

.nav-links a {
  display: block;
  padding: var(--space-sm);
  color: var(--color-ink);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-links a:hover {
  background: var(--color-cream-100);
  transform: translateY(-1px);
}

.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

.page {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

/* Typographie */
h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-heading);
  line-height: 1.2;
}

h1 {
  font-size: 2.05rem;
}

h2 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0;
}

.intro {
  max-width: 720px;
}

.intro p {
  margin-top: var(--space-md);
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* Composants réutilisables */
.button,
.service-action,
.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 44px;
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover,
.service-action:hover,
.form-submit:hover,
.contact-link:hover {
  transform: translateY(-1px);
}

.button-primary,
.service-action,
.form-submit {
  color: var(--color-white);
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.button-primary:hover,
.service-action:hover,
.form-submit:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.button-secondary,
.contact-link {
  color: var(--color-primary);
  background: transparent;
  border: var(--border-thin);
}

.button-secondary:hover,
.contact-link:hover {
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.card,
.service-card,
.service-detail-card,
.contact-form {
  background: var(--color-white);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  transition: border-color 180ms ease, transform 180ms ease;
}

.service-card:hover,
.service-detail-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: var(--space-2xs) var(--space-sm);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 700;
}

/* Services */
.services {
  padding-top: var(--space-3xl);
}

.service-list,
.service-details {
  display: grid;
  gap: var(--space-md);
}

.service-list {
  margin-top: var(--space-lg);
}

.service-card {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-lg);
}

.service-icon {
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 8px;
  width: 38px;
  height: 38px;
}

.service-card p,
.service-detail-card p,
.example-list {
  color: var(--color-muted);
}

.page-services .intro {
  max-width: 760px;
}

.service-details {
  padding-top: var(--space-2xl);
}

.service-detail-card {
  position: relative;
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg);
  padding-bottom: calc(var(--space-lg) + 54px);
}

.service-detail-card .service-action {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  border-radius: var(--radius-md);
}

.service-detail-header {
  display: grid;
  gap: var(--space-sm);
}

.service-detail-card h2 {
  margin-bottom: 0;
}

.example-list {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  padding-left: var(--space-lg);
}

/* Contact */
.contact {
  padding-top: var(--space-2xl);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.page-contact .intro {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.contact-form {
  display: grid;
  gap: var(--space-md);
  max-width: 720px;
  margin-top: var(--space-2xl);
  margin-right: auto;
  margin-left: auto;
  padding: var(--space-lg);
}

.form-field {
  display: grid;
  gap: var(--space-xs);
}

.form-field label {
  font-weight: 700;
}

.form-field label span {
  color: var(--color-muted);
  font-weight: 400;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.7rem var(--space-sm);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid #aaa295;
  border-radius: var(--radius-md);
}

textarea {
  resize: vertical;
}

input:invalid,
select:invalid,
textarea:invalid {
  box-shadow: none;
}

.form-feedback {
  min-height: 1.5rem;
  color: var(--color-primary);
  font-weight: 700;
}

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

/* Mentions légales */
.page-legal .intro {
  max-width: 760px;
}

.legal-content {
  display: grid;
  gap: var(--space-lg);
  max-width: 820px;
  padding-top: var(--space-2xl);
}

.legal-section {
  display: grid;
  gap: var(--space-sm);
  padding-bottom: var(--space-lg);
  border-bottom: var(--border-thin);
}

.legal-section h2 {
  margin-bottom: 0;
}

.legal-section p {
  color: var(--color-muted);
}

.legal-section strong {
  color: var(--color-text);
}

.legal-section a {
  color: var(--color-primary);
  text-underline-offset: 3px;
}

/* Fenêtre flottante des mentions légales */
.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.legal-modal.is-open {
  display: flex;
}

.legal-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(31, 36, 40, 0.48);
  animation: fade-in 180ms ease both;
}

.legal-modal-panel {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-lg);
  width: min(100%, 860px);
  max-height: min(82vh, 760px);
  padding: var(--space-lg);
  overflow: auto;
  background: var(--color-cream-50);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  animation: float-in 220ms ease both;
}

.legal-modal-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-md);
}

.legal-modal-header p {
  margin-top: var(--space-xs);
  color: var(--color-muted);
}

.legal-modal-close {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  color: var(--color-ink);
  background: var(--color-white);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.legal-modal-close:hover {
  background: var(--color-cream-100);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.legal-modal-content {
  display: grid;
  gap: var(--space-lg);
}

.legal-modal-content .legal-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Pied de page */
.site-footer {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-lg) 0 var(--space-xl);
  color: var(--color-muted);
  border-top: var(--border-thin);
  font-size: 0.95rem;
}

.site-footer a {
  color: var(--color-muted);
  text-underline-offset: 3px;
}

@media (min-width: 720px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    gap: var(--space-lg);
    padding: 0;
    background: transparent;
    border: 0;
  }

  .nav-links a {
    padding: 0;
    font-weight: 600;
  }

  .page {
    padding-top: 5.5rem;
  }

  h1 {
    font-size: 2.45rem;
  }

  .service-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-detail-card {
    grid-template-columns: minmax(0, 0.9fr) minmax(260px, 1fr);
    align-items: start;
  }

  .site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}