/* ==========================================================================
   LAYOUT.CSS — Header, Footer, Navigation, Boutons Flottants
   GRD Rénovation
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 1.25rem 0;
  transition: background-color var(--transition-base),
              padding var(--transition-base),
              box-shadow var(--transition-base);
  background-color: transparent;
}

/* État au scroll */
.site-header.scrolled {
  background-color: var(--color-primary);
  padding: 0.75rem 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

/* Header sur pages intérieures (fond opaque dès le départ) */
.site-header--solid {
  background-color: var(--color-primary);
  padding: 0.75rem 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   2. LOGO
   -------------------------------------------------------------------------- */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__img {
  height: clamp(55px, 7vw, 95px);
  width: auto;
  filter: brightness(0) invert(1) drop-shadow(0 2px 10px rgba(0, 0, 0, 0.35));
  transition: height var(--transition-base), opacity var(--transition-base), filter var(--transition-base);
}

@media (max-width: 1200px) {
  .site-logo__img { height: clamp(50px, 6vw, 80px); }
}

@media (max-width: 768px) {
  .site-logo__img { height: clamp(44px, 11vw, 65px); }
}

@media (max-width: 480px) {
  .site-logo__img { height: clamp(38px, 13vw, 55px); }
}

/* Logo réduit quand le header est scrollé ou solid */
.site-header.scrolled .site-logo__img,
.site-header--solid .site-logo__img {
  height: clamp(38px, 5vw, 60px);
}

@media (max-width: 768px) {
  .site-header.scrolled .site-logo__img,
  .site-header--solid .site-logo__img {
    height: clamp(32px, 9vw, 48px);
  }
}

.site-logo:hover .site-logo__img {
  opacity: 0.85;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.01em;
}

.site-logo__tagline {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   3. NAVIGATION DESKTOP
   -------------------------------------------------------------------------- */
.site-nav {
  display: none;
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
}

.site-nav__link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  transition: color var(--transition-base), background-color var(--transition-base);
  letter-spacing: 0.02em;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  width: calc(100% - 1.75rem);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-accent);
}

.site-nav__link[aria-current="page"]::after {
  background-color: var(--color-accent);
}

/* CTA nav */
.nav-cta {
  display: none;
  margin-left: var(--space-2);
}

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

/* --------------------------------------------------------------------------
   4. HAMBURGER MOBILE
   -------------------------------------------------------------------------- */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  transition: background-color var(--transition-base);
}

.hamburger:hover {
  background-color: rgba(255, 255, 255, 0.18);
}

.hamburger__line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
  transform-origin: center;
}

/* État ouvert */
.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  width: 0;
}
.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

/* --------------------------------------------------------------------------
   5. MENU MOBILE OVERLAY
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background-color: var(--color-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: var(--space-8) var(--space-4);
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-md);
  transition: color var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
}

.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(5) { transition-delay: 0.3s; }

.mobile-menu__link:hover,
.mobile-menu__link[aria-current="page"] {
  color: var(--color-accent);
}

.mobile-menu__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: white;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-base);
}

.mobile-menu__close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.mobile-menu__divider {
  width: 40px;
  height: 2px;
  background-color: var(--color-secondary);
  margin: var(--space-2) 0;
}

.mobile-menu__contact {
  text-align: center;
  margin-top: var(--space-2);
}

.mobile-menu__contact a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
  transition: color var(--transition-fast);
}

.mobile-menu__contact a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   6. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark, #111e33);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-12) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-6);
  }
}

.footer-brand .site-logo__name {
  font-size: 1.3rem;
}

.footer-tagline {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-3);
  padding: 0.5rem 1rem;
  background-color: rgba(196, 120, 74, 0.15);
  border: 1px solid rgba(196, 120, 74, 0.3);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  color: var(--color-secondary-light, #d4916a);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

.footer-col__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: var(--space-2);
}

.footer-contact-item__icon {
  width: 36px;
  height: 36px;
  background-color: rgba(196, 120, 74, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.footer-contact-item__text {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
}

.footer-contact-item__text a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-contact-item__text a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-3) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: center;
  text-align: center;
}

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

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   7. BOUTONS FLOTTANTS CTA
   -------------------------------------------------------------------------- */
.floating-cta {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: var(--z-floating);
}

.floating-cta.is-hidden {
  pointer-events: none;
}

.floating-cta.is-hidden .floating-btn {
  opacity: 0;
  transform: translateY(10px);
}

.floating-btn {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-spring), box-shadow var(--transition-base), opacity var(--transition-base);
}

.floating-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-xl);
}

.floating-btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: currentColor;
}

/* Bouton Appeler */
.floating-btn--call {
  background-color: var(--color-secondary);
  color: var(--color-white);
  animation: pulse-ring 2.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

/* Bouton Devis */
.floating-btn--quote {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Mobile : boutons plus compacts */
@media (max-width: 480px) {
  .floating-cta {
    bottom: 1rem;
    right: 1rem;
    gap: 0.5rem;
  }

  .floating-btn {
    padding: 0.7rem 1rem;
    font-size: 0.8rem;
  }

  .floating-btn__text {
    display: none;
  }

  .floating-btn {
    padding: 0.875rem;
    border-radius: 50%;
  }

  .floating-btn__icon {
    width: 22px;
    height: 22px;
  }
}

/* --------------------------------------------------------------------------
   8. HERO COMMUN (pages intérieures)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  overflow: hidden;
  padding: 8rem 0 4rem;
}

@media (max-width: 768px) {
  .page-hero { padding: 6rem 0 3rem; }
}

@media (max-width: 480px) {
  .page-hero { padding: 5rem 0 2.5rem; min-height: 40vh; }
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.2;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 42, 74, 0.95) 0%, rgba(27, 42, 74, 0.7) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero__eyebrow {
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.page-hero__eyebrow::before {
  background-color: var(--color-secondary);
}

.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, var(--text-3xl));
  margin-bottom: var(--space-3);
}

.page-hero__subtitle {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-md);
  max-width: 560px;
}

/* Décoratif — ligne diagonale */
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 80px;
  background-color: var(--color-white);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* --------------------------------------------------------------------------
   9. SCROLL-TO-TOP (optionnel, déclenché par JS)
   -------------------------------------------------------------------------- */
.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  width: 44px;
  height: 44px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-floating);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  font-size: 1.1rem;
  color: var(--color-primary);
}

.scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}