/* === RESET === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-secondary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-hover);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* === TYPOGRAPHIE === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
}

h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
}

strong {
  font-weight: 600;
}

/* === LAYOUT === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

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

.section-alt {
  padding: var(--space-2xl) 0;
  background-color: var(--color-accent);
}

/* === GRILLES === */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--text-3xl);
  }

  h2 {
    font-size: var(--text-2xl);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section,
  .section-alt {
    padding: var(--space-xl) 0;
  }
}

/* === HEADER === */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

#header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-secondary);
}

.logo span {
  color: var(--color-primary);
}

/* === NAVIGATION === */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-secondary);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  transition: transform var(--transition), opacity var(--transition);
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .burger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: var(--space-md) var(--container-pad);
    box-shadow: var(--shadow-md);
    gap: var(--space-sm);
  }

  .nav-links.open {
    display: flex;
  }
}

/* === MAIN (compense le header fixed) === */
main {
  padding-top: 72px;
}

/* === FOOTER === */
footer {
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-xl) 0;
  font-size: var(--text-sm);
}

footer a {
  color: var(--color-primary);
}

footer a:hover {
  color: var(--color-primary-hover);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-heading);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
}

.footer-col ul a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: var(--container-max);
  margin: var(--space-lg) auto 0;
  padding: var(--space-md) var(--container-pad) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-xs);
}

.mention-legale {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  margin-top: var(--space-sm);
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* === BREADCRUMB === */
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-muted);
  padding: var(--space-sm) 0;
}

.breadcrumb a {
  color: var(--color-muted);
}

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

.breadcrumb span {
  margin: 0 0.4em;
}

/* === VISUALLY HIDDEN (accessibilite) === */
.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;
}