/* ==========================================================================
   Khdemti.ma — Layout : sections, header, footer, barres fixes
   ========================================================================== */

/* ---- Coquilles de section ---------------------------------------------- */
.section { padding-block: var(--section-pad); }
.section--tight { padding-block: calc(var(--section-pad) * 0.62); }
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: var(--ink);
  color: var(--paper);
}

/* Filet vertical décoratif (colonnes invisibles) */
.section--ruled { position: relative; }

/* ---- Header ------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  block-size: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--dur-base) var(--ease-out-soft),
              border-color var(--dur-base) var(--ease-out-soft),
              box-shadow var(--dur-base) var(--ease-out-soft);
  border-block-end: 1px solid transparent;
}

/* Sur le hero noir : header transparent, texte blanc */
.site-header[data-overlay="true"] {
  color: var(--paper);
}
.site-header.is-scrolled {
  background: var(--overlay-header);
  color: var(--ink);
  border-block-end-color: var(--gray-200);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
@supports not (backdrop-filter: blur(14px)) {
  .site-header.is-scrolled { background: var(--paper); }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  inline-size: 100%;
}

/* Logo */
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  margin-left: 40px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  line-height: 1;
}
.brand__dot {
  font-weight: 500;
  opacity: 0.55;
}
.brand:hover .brand__dot { opacity: 1; }

/* Navigation desktop */
.site-nav { display: none; }
.site-nav ul,
.mobile-menu ul {
  list-style: none;
  padding: 0;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.6vw, 1.75rem);
}
.site-nav a {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding-block: 0.5rem;
  position: relative;
}
/* Souligné animé */
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0.15rem;
  block-size: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: inline-start;
  transition: transform var(--dur-base) var(--ease-out-soft);
}
.site-nav a:not(.btn):hover::after,
.site-nav a:not(.btn)[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { font-weight: 700; }

.site-header__cta { display: none; }

/* Burger */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  inline-size: 44px;
  block-size: 44px;
  padding: 10px;
  background: none;
  border: 1px solid currentColor;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  block-size: 1.5px;
  inline-size: 100%;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-out-soft),
              opacity var(--dur-fast) linear;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Menu mobile (panneau plein écran) */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1);
  display: grid;
  align-content: center;
  gap: var(--space-l);
  padding: calc(var(--header-h) + var(--space-m)) var(--gutter) var(--space-xl);
  background: var(--ink);
  color: var(--paper);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out-soft),
              visibility 0s linear var(--dur-base);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}
.mobile-menu ul { display: grid; gap: var(--space-2xs); }
.mobile-menu a:not(.btn) {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 600;
  letter-spacing: var(--ls-heading);
  text-decoration: none;
  padding-block: 0.35rem;
}
.mobile-menu__cta { display: grid; gap: var(--space-s); }
.mobile-menu__meta {
  font-size: var(--step--1);
  color: var(--dark-text-muted, var(--gray-400));
}

@media (min-width: 64em) {
  .nav-toggle, .mobile-menu { display: none; }
  .site-nav { display: block; }
  .site-header__cta { display: inline-flex; }
}

/* Header au-dessus du menu mobile noir */
html.menu-open .site-header {
  background: transparent;
  color: var(--paper);
  border-block-end-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
html.menu-open body { overflow: hidden; }

/* CTA du header : blanc sur hero noir, noir une fois scrollé */
.site-header.is-scrolled .site-header__cta {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.site-header.is-scrolled .site-header__cta:hover {
  background: transparent;
  color: var(--ink);
}

/* ---- Barre d'action mobile (Devis | WhatsApp) --------------------------- */
.sticky-cta {
  position: fixed;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: var(--z-sticky-bar);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-block-start: 1px solid var(--gray-800);
  transform: translateY(100%);
  transition: transform var(--dur-base) var(--ease-out-soft);
}
.sticky-cta.is-visible { transform: none; }
.sticky-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  min-block-size: 3.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-0);
  text-decoration: none;
}
.sticky-cta__quote { background: var(--paper); color: var(--ink); }
.sticky-cta__wa { background: var(--ink); color: var(--paper); }

@media (min-width: 48em) {
  .sticky-cta { display: none; }
}

/* Compense la barre fixe sur mobile */
@media (max-width: 47.99em) {
  body { padding-block-end: 3.5rem; }
}

/* ---- Bouton WhatsApp flottant (desktop) --------------------------------- */
.wa-float {
  position: fixed;
  inset-block-end: 1.5rem;
  inset-inline-end: 1.5rem;
  z-index: var(--z-sticky-bar);
  display: none;
  align-items: center;
  justify-content: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  background-color: rgb(255, 255, 255);
  color: var(--paper);
  border: 1px solid var(--gray-700);
  transition: transform var(--dur-base) var(--ease-out-soft),
              background var(--dur-fast) linear,
              color var(--dur-fast) linear;
}
.wa-float:hover { background: var(--paper); color: var(--ink); }
.wa-float svg { inline-size: 1.5rem; block-size: 1.5rem; }
@media (min-width: 48em) {
  .wa-float { display: inline-flex; }
}

/* ---- Footer -------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--space-xl) var(--space-m);
  border-block-start: 1px solid var(--ink);
}
.site-footer a { color: inherit; }

.site-footer__grid {
  display: grid;
  gap: var(--space-l);
  grid-template-columns: 1fr;
  padding-block-end: var(--space-l);
}
@media (min-width: 48em) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }
}

.site-footer__brand p {
  margin-block-start: var(--space-s);
  color: var(--dark-text-muted, var(--gray-400));
  font-size: var(--step--1);
  max-width: 34ch;
}
.site-footer h4 {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--gray-400);
  margin-block-end: var(--space-s);
}
.site-footer ul { display: grid; gap: var(--space-2xs); }
.site-footer ul a {
  font-size: var(--step--1);
  text-decoration: none;
  opacity: 0.85;
}
.site-footer ul a:hover { opacity: 1; text-decoration: underline; }

.site-footer__contact { display: grid; gap: var(--space-2xs); font-size: var(--step--1); }
.site-footer__contact a { text-decoration: none; opacity: 0.85; }
.site-footer__contact a:hover { opacity: 1; text-decoration: underline; }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s) var(--space-m);
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--space-m);
  border-block-start: 1px solid var(--dark-border, rgba(255,255,255,0.16));
  font-size: var(--step--1);
  color: var(--gray-400);
}
.site-footer__legal { display: flex; gap: var(--space-m); }
.site-footer__legal a { text-decoration: none; }
.site-footer__legal a:hover { text-decoration: underline; }

/* Grand CTA dans le footer */
.footer-cta {
  display: block;
  padding-block: var(--space-m);
  border-block: 1px solid var(--dark-border, rgba(255,255,255,0.16));
  margin-block-end: var(--space-l);
  text-decoration: none;
}
.footer-cta__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
}
.footer-cta__title {
  font-size: var(--step-3);
  font-weight: 700;
  letter-spacing: var(--ls-display);
}
.footer-cta__hint { color: var(--gray-400); font-size: var(--step--1); }
.footer-cta:hover .footer-cta__title { text-decoration: underline; text-decoration-thickness: 2px; }

/* ---- Page générique (hero intérieur) ------------------------------------ */
.page-hero {
  padding-block: calc(var(--header-h) + var(--space-xl)) var(--space-l);
  background: var(--ink);
  color: var(--paper);
}
.page-hero .eyebrow { color: var(--gray-400); }
.page-hero h1 { max-width: 20ch; }
.page-hero .lead { color: var(--gray-300, var(--gray-400)); margin-block-start: var(--space-s); max-width: 58ch; }