/* ============================================================
   PRIME AUDITION — Feuille de style principale
   Mobile-first · chaleureux · premium
   ============================================================ */

/* ---- Reset léger ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-texte);
  font-weight: 400;
  color: var(--texte);
  background: var(--creme);
  line-height: 1.65;
  font-size: 1.0625rem; /* 17px — lisible pour seniors */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--bois); text-decoration: none; }
a:hover { color: var(--bois-vif); }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--bois-clair); outline-offset: 3px; border-radius: 4px; }

/* ---- Typographie ---- */
h1, h2, h3, h4 { font-family: var(--font-titre); font-weight: 500; color: var(--bois-fonce); line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.5rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--bois-fonce); }

.surtitre {
  display: inline-block;
  font-family: var(--font-texte);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bois-vif);
  margin-bottom: 0.75rem;
}
.lead { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--texte-doux); }
.text-vert { color: var(--vert-nature); }
.text-center { text-align: center; }

/* ---- Layout ---- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 1.4rem; }
.container--narrow { max-width: var(--maxw-narrow); }
.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }
.bg-creme   { background: var(--creme); }
.bg-creme-2 { background: var(--creme-fonce); }
.bg-blanc   { background: var(--blanc); }
.bg-bois    { background: var(--bois-fonce); color: var(--creme); }
.bg-bois h2, .bg-bois h3 { color: var(--creme); }
.bg-bois strong { color: var(--bois-clair); } /* évite le brun-sur-brun invisible */

.section-head { max-width: 720px; margin-bottom: var(--space-5); }
.section-head.text-center { margin-inline: auto; }

/* ---- Boutons / CTA ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  font-weight: 600; font-size: 1.05rem; line-height: 1;
  padding: 1rem 1.9rem; border: none; border-radius: var(--radius-pill);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  text-align: center;
}
.btn-cta {
  background: var(--cta-gradient); color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn-cta:hover { background: var(--cta-gradient-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 16px 32px -8px rgba(201,119,46,.6); }
.btn-cta:active { transform: translateY(0); }
.btn-ghost {
  background: var(--blanc); color: var(--bois-fonce);
  box-shadow: var(--shadow-soft); border: 1.5px solid var(--creme-fonce);
}
.btn-ghost:hover { color: var(--bois-vif); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-lg { padding: 1.15rem 2.3rem; font-size: 1.12rem; }
.btn svg { width: 1.15em; height: 1.15em; }

/* ---- En-tête ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 244, 233, 0.86);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(122, 74, 30, 0.08);
  transition: box-shadow .3s var(--ease);
}
.site-header.scrolled { box-shadow: 0 6px 24px -16px rgba(122,74,30,.4); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand img, .brand svg { height: 42px; width: auto; }
.brand-name { font-family: var(--font-titre); font-weight: 600; font-size: 1.3rem; color: var(--bois-fonce); line-height: 1; }
.brand-name span { display: block; font-family: var(--font-texte); font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--bois-vif); font-weight: 600; margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 0.1rem; }
.nav a { color: var(--texte); font-weight: 500; font-size: 0.98rem; padding: 0.5rem 0.62rem; border-radius: var(--radius-pill); transition: background .2s, color .2s; white-space: nowrap; }
.nav a:hover, .nav a.active { background: var(--creme-fonce); color: var(--bois-fonce); }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.tel-link { display: inline-flex; align-items: center; gap: 0.45rem; font-weight: 600; color: var(--bois-fonce); white-space: nowrap; }
.tel-link svg { width: 1.1em; height: 1.1em; }

.hamburger { display: none; background: var(--blanc); border: 1.5px solid var(--creme-fonce); border-radius: 12px; width: 46px; height: 46px; padding: 0; align-items: center; justify-content: center; box-shadow: var(--shadow-soft); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--bois-fonce); border-radius: 2px; position: relative; transition: .3s var(--ease); }
.hamburger span::before, .hamburger span::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--bois-fonce); border-radius: 2px; transition: .3s var(--ease); }
.hamburger span::before { top: -7px; }
.hamburger span::after { top: 7px; }
.hamburger[aria-expanded="true"] span { background: transparent; }
.hamburger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---- Pied de page ---- */
.site-footer { background: var(--bois-fonce); color: var(--creme); padding-block: var(--space-6) var(--space-4); }
.site-footer a { color: var(--creme); opacity: .85; }
.site-footer a:hover { opacity: 1; color: var(--blanc); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-grid h4 { color: var(--creme); margin-bottom: 1rem; font-family: var(--font-texte); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; opacity: .7; }
.footer-brand .brand-name { color: var(--creme); }
.footer-brand p { opacity: .8; font-size: 0.95rem; max-width: 30ch; }
.footer-list li { margin-bottom: 0.6rem; }
.footer-bottom { border-top: 1px solid rgba(251,244,233,.15); padding-top: 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.85rem; opacity: .7; }

/* ---- Cartes & grilles génériques ---- */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--blanc); border-radius: var(--radius-lg); padding: 1.8rem; box-shadow: var(--shadow-soft); border: 1px solid rgba(122,74,30,.05); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }

/* Vignettes en cercle */
.vignette { text-align: center; }
.vignette .circle { width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 1rem; display: grid; place-items: center; background: var(--creme-fonce); color: var(--bois-vif); box-shadow: var(--shadow-soft); }
.vignette .circle svg { width: 44px; height: 44px; }
.vignette h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }
.vignette p { font-size: 0.97rem; color: var(--texte-doux); }

/* ---- Animations à l'apparition ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE — menu mobile
   ============================================================ */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1080px) {
  .hamburger { display: inline-flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0.25rem;
    background: var(--creme); padding: 1rem 1.4rem 1.6rem;
    border-bottom: 1px solid rgba(122,74,30,.1);
    box-shadow: 0 20px 40px -20px rgba(122,74,30,.4);
    transform: translateY(-120%); transition: transform .35s var(--ease);
    max-height: calc(100dvh - 72px); overflow-y: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 0.85rem 1rem; font-size: 1.05rem; }
  .nav .btn { margin-top: 0.5rem; }
  .header-actions .tel-link span { display: none; }
}
@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .section { padding-block: var(--space-5); }
}