/* ============================================
   LAYOUT CSS - Éclat Mural
   Structure : Header, Navigation, Footer, Grids
   ============================================ */

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-fixed);
  background-color: white;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.header__logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.header__logo img {
  height: 70px;
  width: auto;
}

/* Social icons next to logo */
.header__social {
  display: none;
  gap: var(--spacing-sm);
  align-items: center;
  margin-left: var(--spacing-xl);
}

.header__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.header__social-link:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.header__social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

@media (min-width: 768px) {
  .header__social {
    display: flex;
  }
}

/* Navigation Desktop */
.nav__menu {
  display: none;
  gap: var(--spacing-xl);
}

.nav__link {
  position: relative;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-medium);
  font-size: 1rem;
  color: var(--color-text-dark);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link--cta {
  background-color: var(--color-secondary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background-color: var(--color-accent-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Social icons in header */
.nav__social {
  display: none;
  gap: var(--spacing-sm);
  align-items: center;
  margin-left: var(--spacing-lg);
}

.nav__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.nav__social-link:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.nav__social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

@media (min-width: 1024px) {
  .nav__menu {
    display: flex;
  }
  
  .nav__social {
    display: flex;
  }
}

/* Menu Toggle (Hamburger) */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-xs);
  cursor: pointer;
}

.nav__toggle-icon,
.nav__toggle-icon::before,
.nav__toggle-icon::after {
  width: 28px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  display: block;
}

.nav__toggle-icon::before {
  transform: translateY(-8px);
}

.nav__toggle-icon::after {
  transform: translateY(5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon {
  background-color: transparent;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::before {
  transform: rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::after {
  transform: rotate(-45deg) translateY(-3px) translateX(-3px);
}

@media (min-width: 1024px) {
  .nav__toggle {
    display: none;
  }
}

/* Menu Mobile */
.nav__menu-mobile {
  position: fixed;
  top: 74px;
  left: 0;
  right: 0;
  background-color: white;
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  max-height: calc(100vh - 74px);
  overflow-y: auto;
}

.nav__menu-mobile.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.nav__menu-mobile .nav__link {
  display: block;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-background);
  font-size: 1.125rem;
}

.nav__menu-mobile .nav__link:last-child {
  border-bottom: none;
}

.nav__menu-mobile .nav__link--cta {
  margin-top: var(--spacing-md);
  display: inline-block;
  border-bottom: none;
}

@media (min-width: 1024px) {
  .nav__menu-mobile {
    display: none;
  }
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding-top: var(--spacing-component);
  padding-bottom: var(--spacing-lg);
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer__logo {
  max-width: 150px;
  margin-bottom: var(--spacing-md);
}

.footer__tagline {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-small);
}

.footer__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: white;
}

.footer__links,
.footer__contact,
.footer__social {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__links a,
.footer__contact a,
.footer__social a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-base);
}

.footer__links a:hover,
.footer__contact a:hover,
.footer__social a:hover {
  color: var(--color-secondary);
}

.footer__legal {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
  .footer__legal {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__legal-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__legal-links a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-base);
}

.footer__legal-links a:hover {
  color: white;
}

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

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (min-width: 768px) {
  .grid {
    gap: var(--spacing-xl);
  }
  
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== SECTION TITLE ===== */
.section__title-wrapper {
  text-align: center;
  margin-bottom: var(--spacing-component);
}

.section__title {
  margin-bottom: var(--spacing-md);
}

.section__subtitle {
  color: var(--color-text-medium);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.section__title-underline {
  width: 80px;
  height: 4px;
  background-color: var(--color-secondary);
  margin: 0 auto;
}