/**
 * Grilles et structure generale des sections
 */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.section {
  padding: var(--spacing-12) 0;
}

.section--dark {
  background-color: var(--color-dark);
}

.section--dark-alt {
  background-color: var(--color-dark-alt);
}

.section--light-bg {
  background-color: var(--color-bg-light);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-primary);
  z-index: var(--z-nav);
  transition: var(--transition-base);
}

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

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  flex-shrink: 0;
}

.nav__logo img {
  height: 40px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.webp');
  background-size: cover;
  background-position: center;
  /* Fallback si l'image ne charge pas */
  background-color: #0A1628;
  z-index: 0;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(135, 206, 235, 0.12) 0%, transparent 65%);
}

/* --- Grille de services (3 col desktop, 2 tablette, 1 mobile) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-3);
}

/* --- A propos --- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
  align-items: center;
}

/* --- Chiffres cles --- */
.stats-row {
  display: flex;
  gap: var(--spacing-6);
  margin-top: var(--spacing-5);
}

/* --- Pourquoi nous (2 x 3 ou 3 x 2) --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-3);
}

/* --- Timeline processus --- */
.process-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  gap: var(--spacing-2);
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  z-index: 0;
}

/* --- Contact --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--spacing-8);
  align-items: start;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-dark);
  padding: var(--spacing-8) 0 var(--spacing-3);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--spacing-6);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-3);
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

/* Offset pour les ancres fixes */
[id] {
  scroll-margin-top: var(--nav-height);
}