/* =====================================================================
   Idées Formations Bien-être — Feuille de styles partagée
   Stack : HTML/CSS/JS vanilla. Charte : sauge / crème / terracotta / or.
   ===================================================================== */

/* ----------------------------- Tokens ------------------------------ */
:root{
  --cream:      #f6f2ea;
  --cream-2:    #efe8da;
  --surface:    #ffffff;
  --sage:       #7c9a78;
  --sage-dark:  #5f7d5b;
  --sage-deep:  #46603f;
  --terracotta: #cf8a6b;
  --terracotta-dark:#b8714f;
  --gold:       #c9a86a;
  --ink:        #2f342c;
  --muted:      #6b7065;
  --line:       #e3dccd;

  --maxw: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(47,52,44,.06);
  --shadow:    0 10px 30px rgba(47,52,44,.10);
  --shadow-lg: 0 20px 50px rgba(47,52,44,.16);
  --t: .35s cubic-bezier(.22,.61,.36,1);

  --ff-title: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --ff-body:  "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ----------------------------- Reset ------------------------------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:var(--sage-deep); text-decoration:none; }
a:hover{ color:var(--terracotta-dark); }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family:var(--ff-title); font-weight:600; line-height:1.12; color:var(--ink); margin:0 0 .4em; letter-spacing:.2px; }
h1{ font-size:clamp(2.3rem,5vw,3.6rem); }
h2{ font-size:clamp(1.9rem,3.6vw,2.7rem); }
h3{ font-size:clamp(1.3rem,2.4vw,1.6rem); }
p{ margin:0 0 1.1em; }
.container{ width:min(100% - 2.4rem, var(--maxw)); margin-inline:auto; }
.eyebrow{
  font-family:var(--ff-body); font-weight:600; text-transform:uppercase;
  letter-spacing:.18em; font-size:.78rem; color:var(--sage-dark); margin:0 0 .6rem;
}
.section{ padding:clamp(3.5rem,7vw,6rem) 0; }
.section--tint{ background:linear-gradient(180deg,var(--cream),var(--cream-2)); }
/* Espacements réduits (utilitaires responsives) */
.section--pt-sm{ padding-top:clamp(2rem,4vw,2.6rem); }
.section--pb-sm{ padding-bottom:clamp(2rem,4vw,2.6rem); }
.section--pt-xs{ padding-top:clamp(1rem,3vw,1.3rem); }
.section--pb-xs{ padding-bottom:clamp(1rem,3vw,1.3rem); }
.lead{ font-size:1.18rem; color:var(--muted); }
.center{ text-align:center; }
.measure{ max-width:62ch; margin-inline:auto; }

/* ----------------------------- Boutons ----------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:.55rem;
  padding:.85rem 1.6rem; border-radius:999px; border:1.5px solid transparent;
  font-weight:600; font-size:1rem; line-height:1; transition:var(--t);
  will-change:transform;
}
.btn svg{ width:1.1em; height:1.1em; }
.btn--primary{ background:var(--terracotta); color:#fff; box-shadow:var(--shadow-sm); }
.btn--primary:hover{ background:var(--terracotta-dark); color:#fff; transform:translateY(-2px); box-shadow:var(--shadow); }
.btn--sage{ background:var(--sage-dark); color:#fff; }
.btn--sage:hover{ background:var(--sage-deep); color:#fff; transform:translateY(-2px); box-shadow:var(--shadow); }
.btn--ghost{ background:transparent; color:var(--sage-deep); border-color:var(--line); }
.btn--ghost:hover{ background:#fff; color:var(--sage-deep); border-color:var(--sage); transform:translateY(-2px); }
.btn--lg{ padding:1.05rem 2rem; font-size:1.08rem; }
.btn--block{ width:100%; justify-content:center; }

/* ----------------------------- Header ------------------------------ */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(246,242,234,.82); backdrop-filter:blur(10px);
  border-bottom:1px solid transparent; transition:var(--t);
}
.site-header.scrolled{ border-bottom-color:var(--line); box-shadow:var(--shadow-sm); background:rgba(246,242,234,.95); }
.nav{ display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.7rem 0; }
.brand{ display:flex; align-items:center; gap:.6rem; font-family:var(--ff-title); font-size:1.65rem; font-weight:700; color:var(--ink); }
.brand:hover{ color:var(--ink); }
.brand img{ width:38px; height:38px; }
.brand b{ color:var(--sage-deep); font-weight:700; }
.nav-links{ display:flex; align-items:center; gap:.4rem; list-style:none; margin:0; padding:0; }
.nav-links a{
  display:inline-block; padding:.5rem .85rem; border-radius:999px;
  color:var(--ink); font-weight:500; font-size:.98rem; transition:var(--t); position:relative;
}
.nav-links a:hover{ color:var(--sage-deep); background:rgba(124,154,120,.12); }
.nav-links a.active{ color:var(--sage-deep); }
.nav-cta{ margin-left:.4rem; }

/* Burger */
.burger{
  display:none; width:46px; height:46px; border:1px solid var(--line);
  background:#fff; border-radius:12px; position:relative;
}
.burger span{
  position:absolute; left:50%; top:50%; width:22px; height:2px; background:var(--ink);
  transform:translate(-50%,-50%); transition:var(--t);
}
.burger span:nth-child(1){ transform:translate(-50%,calc(-50% - 6px)); }
.burger span:nth-child(3){ transform:translate(-50%,calc(-50% + 6px)); }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translate(-50%,-50%) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translate(-50%,-50%) rotate(-45deg); }

/* ----------------------------- Hero -------------------------------- */
.hero{ position:relative; overflow:hidden; padding:clamp(3.5rem,8vw,7rem) 0 clamp(3rem,6vw,5rem); }
.hero::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(60% 80% at 85% 10%, rgba(201,168,106,.18), transparent 60%),
    radial-gradient(70% 90% at 10% 100%, rgba(124,154,120,.22), transparent 60%),
    linear-gradient(180deg,var(--cream),var(--cream-2));
}
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(2rem,5vw,4rem); align-items:center; }
.hero h1{ margin-bottom:.3em; }
.hero h1 em{ font-style:italic; color:var(--sage-deep); }
.hero .lead{ max-width:46ch; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:.8rem; margin-top:1.6rem; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:1.4rem; margin-top:2rem; color:var(--muted); font-size:.95rem; }
.hero-meta b{ color:var(--ink); font-size:1.4rem; font-family:var(--ff-title); display:block; }
.hero-visual{
  position:relative; aspect-ratio:4/3.4; border-radius:24px; overflow:hidden;
  background:linear-gradient(135deg,var(--sage),var(--sage-deep));
  box-shadow:var(--shadow-lg);
}
.hero-visual .blob{ position:absolute; inset:0; opacity:.5; }
.hero-visual .quote{
  position:absolute; left:1.4rem; right:1.4rem; bottom:1.4rem; color:#fff;
  font-family:var(--ff-title); font-size:1.5rem; line-height:1.25; text-shadow:0 2px 12px rgba(0,0,0,.25);
}

/* --------------------------- Catégories ---------------------------- */
.chips{ display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center; margin:1.8rem 0 0; }
.chip{
  border:1px solid var(--line); background:#fff; color:var(--ink);
  padding:.5rem 1rem; border-radius:999px; font-size:.92rem; font-weight:500; transition:var(--t);
}
.chip:hover{ border-color:var(--sage); color:var(--sage-deep); transform:translateY(-1px); }
.chip.active{ background:var(--sage-dark); color:#fff; border-color:var(--sage-dark); }

/* --------------------------- Grille cartes ------------------------- */
.grid-cards{ display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:1.6rem; }
.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; display:flex; flex-direction:column; transition:var(--t); height:100%;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); border-color:#dfd6c2; }
.card a{ color:inherit; }
.card-media{
  position:relative; aspect-ratio:16/10; display:flex; align-items:center; justify-content:center;
  color:#fff;
}
.card-media svg{ width:54px; height:54px; opacity:.92; filter:drop-shadow(0 4px 10px rgba(0,0,0,.18)); }
.card-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .5s cubic-bezier(.22,.61,.36,1); }
.card:hover .card-media img{ transform:scale(1.05); }
.card-cat{
  position:absolute; top:.7rem; left:.7rem; background:rgba(255,255,255,.92);
  color:var(--sage-deep); font-size:.72rem; font-weight:600; text-transform:uppercase;
  letter-spacing:.08em; padding:.3rem .6rem; border-radius:999px;
}
.card-body{ padding:1.15rem 1.25rem 1.35rem; display:flex; flex-direction:column; flex:1; }
.card-body h3{ font-size:1.32rem; margin-bottom:.35rem; }
.card-body h3 a:hover{ color:var(--terracotta-dark); }
.card-desc{ color:var(--muted); font-size:.96rem; margin-bottom:1rem; flex:1; }
.card-foot{ display:flex; align-items:center; justify-content:space-between; gap:.6rem; }
.price{ font-family:var(--ff-title); font-size:1.35rem; color:var(--sage-deep); font-weight:600; }
.price small{ font-family:var(--ff-body); font-size:.72rem; color:var(--muted); font-weight:500; display:block; }
.card-link{ font-weight:600; font-size:.95rem; color:var(--terracotta-dark); display:inline-flex; align-items:center; gap:.3rem; }
.card:hover .card-link{ gap:.55rem; }

/* Dégradés de média par catégorie */
.m-yoga{ background:linear-gradient(135deg,#8fae86,#5f7d5b); }
.m-medi{ background:linear-gradient(135deg,#9bb0c4,#5f7d8b); }
.m-coach{ background:linear-gradient(135deg,#d9a273,#b8714f); }
.m-energie{ background:linear-gradient(135deg,#b69bc4,#7d5f8b); }
.m-massage{ background:linear-gradient(135deg,#d99a8f,#b8714f); }
.m-astro{ background:linear-gradient(135deg,#6d7fa8,#3f4660); }
.m-nutrition{ background:linear-gradient(135deg,#c9b56a,#9a8a3f); }
.m-pnl{ background:linear-gradient(135deg,#79a8a0,#3f605b); }

/* ------------------------ Comment ça marche ------------------------ */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; margin-top:2.5rem; }
.step{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.8rem 1.5rem; text-align:center; transition:var(--t); }
.step:hover{ transform:translateY(-5px); box-shadow:var(--shadow); }
.step-num{
  width:54px; height:54px; margin:0 auto 1rem; border-radius:50%;
  background:linear-gradient(135deg,var(--sage),var(--sage-deep)); color:#fff;
  display:flex; align-items:center; justify-content:center; font-family:var(--ff-title);
  font-size:1.5rem; font-weight:700;
}
.step h3{ font-size:1.3rem; }
.step p{ color:var(--muted); margin:0; font-size:.97rem; }

/* --------------------------- Bandeau CTA --------------------------- */
.band{
  background:linear-gradient(135deg,var(--sage-dark),var(--sage-deep)); color:#fff;
  border-radius:24px; padding:clamp(2.2rem,5vw,3.5rem); text-align:center; box-shadow:var(--shadow);
}
.band h2{ color:#fff; }
.band p{ color:rgba(255,255,255,.9); max-width:54ch; margin-inline:auto; }

/* ------------------------- Divulgation aff. ------------------------ */
.disclosure{
  background:var(--cream-2); border:1px solid var(--line); border-left:4px solid var(--gold);
  border-radius:var(--radius-sm); padding:.85rem 1.1rem; font-size:.82rem; line-height:1.5; color:var(--muted);
  display:flex; gap:.7rem; align-items:flex-start;
}
.disclosure svg{ width:1.3rem; height:1.3rem; flex:none; color:var(--gold); margin-top:.1rem; }

/* ----------------------------- Footer ------------------------------ */
.site-footer{ background:var(--sage-deep); color:rgba(255,255,255,.82); padding:3.5rem 0 1.5rem; margin-top:0; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:2rem; }
.site-footer h4{ color:#fff; font-family:var(--ff-body); font-size:.95rem; text-transform:uppercase; letter-spacing:.1em; margin-bottom:1rem; }
.site-footer a{ color:rgba(255,255,255,.82); }
.site-footer a:hover{ color:#fff; }
.footer-brand{ display:flex; align-items:center; gap:.6rem; font-family:var(--ff-title); font-size:1.4rem; color:#fff; margin-bottom:.8rem; }
.footer-brand img{ width:36px; height:36px; }
.footer-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.55rem; font-size:.95rem; }
.socials{ display:flex; gap:.6rem; margin-top:1rem; }
.socials a{ width:40px; height:40px; border-radius:50%; background:rgba(255,255,255,.12); display:flex; align-items:center; justify-content:center; transition:var(--t); }
.socials a:hover{ background:var(--terracotta); transform:translateY(-2px); }
.socials svg{ width:20px; height:20px; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.18); margin-top:2.5rem; padding-top:1.4rem; display:flex; flex-wrap:wrap; justify-content:space-between; gap:.6rem; font-size:.86rem; color:rgba(255,255,255,.7); }

/* --------------------------- Breadcrumb ---------------------------- */
.crumb{ font-size:.88rem; color:var(--muted); padding:1.2rem 0 .2rem; }
.crumb a{ color:var(--muted); }
.crumb a:hover{ color:var(--sage-deep); }
.crumb span{ color:var(--ink); }

/* ----------------------- Page formation ---------------------------- */
.formation-hero{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(1.5rem,4vw,3rem); align-items:center; padding-top:1rem; }
.formation-hero--top{ align-items:start; }
/* Élément visible sur desktop uniquement */
.show-desktop{ display:none; }
@media (min-width:961px){ .show-desktop{ display:block; } }
.formation-media{ aspect-ratio:4/3; border-radius:20px; overflow:hidden; display:flex; align-items:center; justify-content:center; color:#fff; box-shadow:var(--shadow); }
.formation-media svg{ width:96px; height:96px; opacity:.92; }
.formation-media img{ width:100%; height:100%; object-fit:cover; }
.badge{ display:inline-block; background:rgba(124,154,120,.15); color:var(--sage-deep); font-weight:600; font-size:.82rem; padding:.35rem .8rem; border-radius:999px; text-transform:uppercase; letter-spacing:.06em; margin-bottom:.8rem; }
.price-row{ display:flex; align-items:baseline; gap:.8rem; margin:1.2rem 0 1.4rem; }
.price-row .big{ font-family:var(--ff-title); font-size:2.4rem; color:var(--sage-deep); font-weight:700; }
.price-row .was{ color:var(--muted); text-decoration:line-through; font-size:1.1rem; }
.content-cols{ display:grid; grid-template-columns:1fr 1fr; gap:2rem; margin-top:1rem; }
.check-list{ list-style:none; margin:0; padding:0; }
.check-list li{ position:relative; padding-left:2rem; margin-bottom:.8rem; color:var(--ink); }
.check-list li::before{
  content:""; position:absolute; left:0; top:.15rem; width:1.3rem; height:1.3rem; border-radius:50%;
  background:var(--sage) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/.9rem no-repeat;
}
.prose{ font-size:1.05rem; }
.prose h2{ margin-top:1.6em; }
.prose > :first-child{ margin-top:0; }
.prose h3{ margin-top:1.4em; }
.prose ul{ padding-left:1.2rem; }
.prose li{ margin-bottom:.5rem; }
.sticky-cta{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.6rem;
  box-shadow:var(--shadow); position:sticky; top:90px;
}
.sticky-cta .price-row{ margin-top:0; }
.tags{ display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1rem; }
.tag{ font-size:.82rem; background:var(--cream-2); border:1px solid var(--line); color:var(--muted); padding:.3rem .7rem; border-radius:999px; }

/* ------------------------------ FAQ -------------------------------- */
.faq{ max-width:760px; margin-inline:auto; }
.faq-item{ border:1px solid var(--line); border-radius:var(--radius-sm); background:#fff; margin-bottom:.8rem; overflow:hidden; }
.faq-q{
  width:100%; text-align:left; background:none; border:0; padding:1.1rem 1.3rem;
  font-size:1.08rem; font-weight:600; color:var(--ink); display:flex; justify-content:space-between; align-items:center; gap:1rem;
}
.faq-q .ico{ flex:none; width:1.4rem; height:1.4rem; transition:var(--t); color:var(--sage-dark); }
.faq-item[open] .faq-q .ico{ transform:rotate(45deg); }
.faq-a{ padding:0 1.3rem 1.2rem; color:var(--muted); }
.faq-item summary{ list-style:none; cursor:pointer; }
.faq-item summary::-webkit-details-marker{ display:none; }

/* --------------------------- Article blog -------------------------- */
.article{ max-width:760px; margin-inline:auto; }
.article-head{ text-align:center; margin-bottom:2.5rem; }
.article-meta{ color:var(--muted); font-size:.9rem; display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.article-cover{ aspect-ratio:21/9; border-radius:20px; overflow:hidden; margin:0 0 2.5rem; display:flex; align-items:center; justify-content:center; color:#fff; box-shadow:var(--shadow); }
.article .prose p:first-of-type::first-letter{ font-family:var(--ff-title); font-size:3.4rem; float:left; line-height:.8; padding:.1rem .5rem .1rem 0; color:var(--sage-deep); }
.blog-meta-bar{ display:flex; gap:1rem; flex-wrap:wrap; color:var(--muted); font-size:.9rem; }

/* --------------------------- Scroll reveal ------------------------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.visible{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s; }
.reveal.d2{ transition-delay:.16s; }
.reveal.d3{ transition-delay:.24s; }

/* --------------------------- Scroll to top ------------------------- */
.to-top{
  position:fixed; right:1rem; bottom:calc(1rem + env(safe-area-inset-bottom)); z-index:70;
  width:48px; height:48px; border-radius:50%;
  background:var(--sage-dark); color:#fff; border:none; box-shadow:var(--shadow);
  display:flex; align-items:center; justify-content:center; opacity:0; visibility:hidden;
  transform:translateY(12px); transition:var(--t);
}
.to-top.show{ opacity:1; visibility:visible; transform:none; }
.to-top:hover{ background:var(--sage-deep); }
.to-top svg{ width:22px; height:22px; }

/* ----------------------------- Section title ----------------------- */
.sec-head{ max-width:60ch; }
.sec-head.center{ margin-inline:auto; }

/* ----------------------------- Responsive -------------------------- */
@media (max-width:960px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; aspect-ratio:16/10; }
  .formation-hero{ grid-template-columns:1fr; }
  .content-cols{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:2rem 1.5rem; }
  .sticky-cta{ position:static; }
}

@media (max-width:760px){
  body{ font-size:16px; }
  /* Important : retirer le backdrop-filter sur mobile, sinon le header devient
     le bloc conteneur du menu fixe et le limite à sa hauteur (panneau tronqué). */
  .site-header{ -webkit-backdrop-filter:none; backdrop-filter:none; background:var(--cream); }
  /* Coupure du nom après « Idées Formations » sur petit écran */
  .brand > span{ display:flex; flex-direction:column; line-height:1.08; }
  .brand b{ white-space:nowrap; }
  .burger{ display:block; position:relative; z-index:62; }
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:min(84vw,320px); height:100dvh; overflow-y:auto;
    background:var(--cream); flex-direction:column; align-items:stretch; justify-content:flex-start;
    gap:.25rem; padding:5.5rem 1.4rem 2rem; box-shadow:-14px 0 44px rgba(47,52,44,.22);
    transform:translateX(100%); transition:transform .4s cubic-bezier(.22,.61,.36,1); z-index:58;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ padding:.95rem 1rem; font-size:1.08rem; border-radius:12px; color:var(--ink); }
  .nav-links a:hover,
  .nav-links a.active{ background:rgba(124,154,120,.16); color:var(--sage-deep); }
  .nav-cta{ margin:.7rem 0 0; }
  .nav-cta .btn{ width:100%; justify-content:center; }
  .nav-overlay{ position:fixed; inset:0; background:rgba(47,52,44,.5); opacity:0; visibility:hidden; transition:var(--t); z-index:56; }
  .nav-overlay.show{ opacity:1; visibility:visible; }
}

@media (max-width:480px){
  .footer-grid{ grid-template-columns:1fr; }
  .hero-meta{ gap:1rem; }
}

/* --------------------- Préférence mouvement réduit ----------------- */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}