/* ============================================================
   STMF — GESTION LOCATIVE | layout.css
   Navigation, footer, section structure, grid, breadcrumb
   ============================================================ */

/* ─── Background orbs (decorative, fixed) ─── */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
  animation: orb-drift 25s ease-in-out infinite alternate;
}

.bg-orb-1 {
  width: min(600px, 60vw);
  height: min(600px, 60vw);
  background: radial-gradient(circle, rgba(23, 105, 194, 0.06) 0%, transparent 70%);
  top: -15%;
  left: -10%;
  animation-duration: 28s;
}

.bg-orb-2 {
  width: min(500px, 50vw);
  height: min(500px, 50vw);
  background: radial-gradient(circle, rgba(11, 35, 70, 0.04) 0%, transparent 70%);
  bottom: 5%;
  right: -8%;
  animation-duration: 22s;
  animation-delay: -10s;
}

.bg-orb-3 {
  width: min(350px, 35vw);
  height: min(350px, 35vw);
  background: radial-gradient(circle, rgba(238, 241, 244, 0.5) 0%, transparent 70%);
  top: 40%;
  left: 40%;
  animation-duration: 32s;
  animation-delay: -18s;
}

/* ─── NAVBAR ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-block: 1rem;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background var(--t-base),
    border-color var(--t-base),
    padding-block var(--t-base),
    backdrop-filter var(--t-base);
}

.navbar.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--g-blur);
  -webkit-backdrop-filter: var(--g-blur);
  border-bottom-color: var(--g-border);
  padding-block: 0.75rem;
  box-shadow: 0 4px 20px rgba(11, 35, 70, 0.10);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Brand */
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid rgba(23, 105, 194, 0.3);
  background: rgba(23, 105, 194, 0.08);
}

.brand-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

/* Full logo variant - TRÈS VISIBLE au chargement */
.brand-logo--full {
  width: auto;
  height: 120px;
  border-radius: var(--r-lg);
  border: none;
  background: #ffffff;
  padding: 10px 16px;
  box-shadow: 0 4px 24px rgba(11, 35, 70, 0.12);
  transition: all var(--t-base);
}

.brand-logo--full img {
  width: auto;
  height: 100%;
  object-fit: contain;
  border-radius: var(--r-md);
}

/* Logo réduit au scroll mais toujours lisible */
.navbar.is-scrolled .brand-logo--full {
  height: 80px;
  padding: 8px 12px;
  box-shadow: 0 2px 12px rgba(11, 35, 70, 0.10);
}

/* Footer logo - MAXIMUM VISIBILITÉ */
.footer .brand-logo--full {
  height: 160px;
  background: #ffffff;
  border-radius: var(--r-xl);
  padding: 16px 24px;
  box-shadow: 0 8px 40px rgba(11, 35, 70, 0.15);
}

.footer .brand-logo--full img {
  border-radius: var(--r-lg);
}

.brand-name {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  color: #0B2346;
}

.brand-tagline {
  font-size: var(--ts-xs);
  color: var(--c-text-muted);
  letter-spacing: 0.02em;
  display: none;
}

/* Nav links */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav-link {
  position: relative;
  padding: 0.5rem 0.875rem;
  font-size: var(--ts-sm);
  font-weight: 500;
  color: var(--c-text-sec);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1.75rem);
  height: 1.5px;
  background: #1769C2;
  border-radius: var(--r-pill);
  transition: transform var(--t-base);
  transform-origin: center;
}

.nav-link:hover {
  color: #0B2346;
  background: rgba(11, 35, 70, 0.05);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link.is-active {
  color: #0B2346;
}

.navbar__cta {
  margin-left: 1rem;
}

/* Hamburger toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0.5rem;
  border-radius: var(--r-sm);
  background: var(--g-bg);
  border: 1px solid var(--g-border);
  cursor: pointer;
  transition: background var(--t-fast);
}

.navbar__toggle:hover {
  background: var(--g-bg-hover);
}

.toggle-bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--c-text);
  border-radius: var(--r-pill);
  transition: transform var(--t-base), opacity var(--t-fast), width var(--t-fast);
  transform-origin: center;
}

.navbar__toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.navbar__toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--g-blur);
  -webkit-backdrop-filter: var(--g-blur);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity var(--t-base);
}

.nav-overlay.is-open {
  display: flex;
  opacity: 1;
}

.nav-overlay .nav-link {
  font-size: var(--ts-2xl);
  font-family: var(--ff-display);
  font-weight: 600;
  padding: 0.75rem 2rem;
  color: var(--c-text-sec);
}

.nav-overlay .nav-link:hover,
.nav-overlay .nav-link.is-active {
  color: #0B2346;
}

.nav-overlay .btn {
  margin-top: 1rem;
  font-size: var(--ts-lg);
}

/* ─── FOOTER ─── */
.footer {
  position: relative;
  z-index: 1;
  background: #0B2346;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: 3.5rem 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand .brand-logo {
  margin-bottom: 1rem;
}

.footer__brand .brand-name {
  margin-bottom: 0.375rem;
  color: #ffffff;
}

.footer__desc {
  font-size: var(--ts-sm);
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-top: 0.75rem;
  max-width: 22ch;
}

.footer__heading {
  font-family: var(--ff-display);
  font-size: var(--ts-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1769C2;
  margin-bottom: 1.25rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__link {
  font-size: var(--ts-sm);
  color: var(--c-text-muted);
  transition: color var(--t-fast);
}

.footer__link:hover { color: #ffffff; }

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: var(--ts-sm);
  color: var(--c-text-muted);
  margin-bottom: 0.625rem;
  transition: color var(--t-fast);
}

.footer__contact-item:hover { color: #ffffff; }

.footer__contact-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--g-bg);
  border: 1px solid var(--g-border);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--g-border);
}

.footer__copy {
  font-size: var(--ts-xs);
  color: var(--c-text-muted);
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a {
  font-size: var(--ts-xs);
  color: var(--c-text-muted);
  transition: color var(--t-fast);
}

.footer__legal a:hover { color: #ffffff; }

/* ─── PAGE WRAPPER (content below fixed nav) ─── */
.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.page-content {
  padding-top: var(--sp-nav);
}

/* ─── SECTION BASE ─── */
.section {
  padding-block: var(--sp-section);
}

.section--sm { padding-block: calc(var(--sp-section) * 0.6); }
.section--lg { padding-block: calc(var(--sp-section) * 1.25); }

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__header--left { text-align: left; }

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-display);
  font-size: var(--ts-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1769C2;
  margin-bottom: 1rem;
}

.section__eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1.5px;
  background: #1769C2;
  border-radius: var(--r-pill);
}

.section__title {
  margin-bottom: 1.25rem;
}

.section__subtitle {
  font-size: var(--ts-lg);
  color: var(--c-text-sec);
  max-width: 62ch;
  line-height: 1.65;
  margin-inline: auto;
}

.section__subtitle--left { margin-inline: 0; }

/* ─── BREADCRUMB ─── */
.breadcrumb {
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--g-border);
  margin-bottom: 0;
  background: rgba(238, 241, 244, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--ts-sm);
  color: var(--c-text-muted);
}

.breadcrumb__item a {
  color: var(--c-text-muted);
  transition: color var(--t-fast);
}

.breadcrumb__item a:hover { color: #1769C2; }

.breadcrumb__item--active { color: var(--c-text-sec); }

.breadcrumb__sep {
  color: var(--c-text-muted);
  font-size: 0.625rem;
}

/* ─── PAGE HERO BANNER (sub-pages) ─── */
.page-hero {
  padding-block: 5rem 4rem;
  text-align: center;
}

.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
}

.page-hero__desc {
  font-size: var(--ts-lg);
  color: var(--c-text-sec);
  max-width: 60ch;
  margin-inline: auto;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
  .navbar__menu {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .footer__legal {
    justify-content: center;
  }
}