/* =====================================================
   KairosLab — Feuille de style
   Palette : terre cuite / ocre / anthracite
   ===================================================== */

:root{
  --ink:        #1b1a17;
  --ink-soft:   #3a3833;
  --muted:      #6f6b62;
  --line:       #e7e2d9;
  --paper:      #ffffff;
  --sand:       #faf7f1;
  --clay:       #c2562f;   /* accent principal */
  --clay-dark:  #a3441f;
  --ocre:       #e0a33e;   /* accent secondaire */
  --green:      #2f6b52;

  --radius:     16px;
  --radius-lg:  26px;
  --shadow:     0 1px 2px rgba(27,26,23,.05), 0 12px 32px -12px rgba(27,26,23,.18);
  --shadow-lg:  0 24px 60px -20px rgba(27,26,23,.32);
  --wrap:       1140px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:'Outfit',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{ line-height:1.15; margin:0; font-weight:700; letter-spacing:-.02em; }
h1{ font-size:clamp(2.3rem,5.4vw,4rem); }
h2{ font-size:clamp(1.8rem,3.6vw,2.7rem); }
h3{ font-size:1.2rem; }
p{ margin:0; }

em{ font-family:'Instrument Serif',Georgia,serif; font-style:italic; font-weight:400; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:24px; }

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  background:var(--clay); color:#fff;
  padding:.95rem 1.7rem; border:1px solid var(--clay);
  border-radius:100px; font-weight:600; font-size:.98rem;
  cursor:pointer; transition:.22s ease;
  box-shadow:0 8px 20px -10px rgba(194,86,47,.8);
}
.btn:hover{ background:var(--clay-dark); border-color:var(--clay-dark); transform:translateY(-2px); }
.btn--ghost{
  background:transparent; color:var(--ink); border-color:var(--line); box-shadow:none;
}
.btn--ghost:hover{ background:var(--ink); border-color:var(--ink); color:#fff; }
.btn--sm{ padding:.62rem 1.15rem; font-size:.88rem; }
.btn--full{ width:100%; }

.link{ color:var(--clay); font-weight:600; font-size:.92rem; }
.link:hover{ text-decoration:underline; }

.eyebrow{
  display:inline-block; text-transform:uppercase; letter-spacing:.14em;
  font-size:.72rem; font-weight:700; color:var(--clay); margin-bottom:1rem;
}

/* ---------- Bandeau haut ---------- */
.topbar{ background:var(--ink); color:#cfcabf; font-size:.82rem; }
.topbar__in{ display:flex; justify-content:space-between; gap:1rem; padding-block:.6rem; flex-wrap:wrap; }
.topbar a:hover{ color:#fff; }

/* ---------- Navigation ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.88); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav__in{ display:flex; align-items:center; justify-content:space-between; height:74px; }

.logo{ display:inline-flex; align-items:center; gap:.6rem; font-weight:700; font-size:1.2rem; }
.logo__mark{
  width:36px; height:36px; border-radius:11px;
  background:linear-gradient(140deg,var(--clay),var(--ocre));
  color:#fff; display:grid; place-items:center; font-weight:800;
}
.logo__text em{ color:var(--clay); }

.nav__links{ display:flex; align-items:center; gap:2rem; font-weight:500; font-size:.95rem; }
.nav__links a:not(.btn){ position:relative; padding-block:.4rem; }
.nav__links a:not(.btn)::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
  background:var(--clay); transition:width .25s ease;
}
.nav__links a:not(.btn):hover::after{ width:100%; }

.menu-toggle{ display:none; }
.burger{ display:none; cursor:pointer; padding:.4rem; }
.burger span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition:.25s; border-radius:2px; }

/* ---------- Hero ---------- */
.hero{ background:var(--sand); overflow:hidden; position:relative; }
.hero__in{
  display:grid; grid-template-columns:1.05fr .95fr; gap:3rem; align-items:center;
  padding-block:clamp(3.5rem,8vw,6.5rem);
}
.hero__text .lead{
  font-size:1.1rem; color:var(--ink-soft); max-width:33rem; margin-top:1.4rem;
}
.hero h1 em{ color:var(--clay); }
.hero__cta{ display:flex; gap:.8rem; margin-top:2.2rem; flex-wrap:wrap; }

.hero__stats{
  display:flex; gap:2.5rem; list-style:none; padding:0;
  margin:3rem 0 0; border-top:1px solid var(--line); padding-top:1.6rem; flex-wrap:wrap;
}
.hero__stats strong{ display:block; font-size:1.85rem; color:var(--clay); line-height:1.1; }
.hero__stats span{ font-size:.85rem; color:var(--muted); }

/* visuel décoratif (pur CSS, aucune image externe) */
.hero__visual{ position:relative; min-height:400px; display:grid; place-items:center; }
.hero__blob{
  position:relative; z-index:1;
  width:min(100%,400px); aspect-ratio:1;
  background:linear-gradient(150deg,var(--clay),var(--ocre) 60%,#e8d4a8);
  border-radius:46% 54% 38% 62% / 55% 42% 58% 45%;
  box-shadow:var(--shadow-lg);
  animation:morph 14s ease-in-out infinite;
}
@keyframes morph{
  50%{ border-radius:58% 42% 60% 40% / 40% 58% 42% 60%; }
}
.hero__grid{
  position:absolute; inset:0;
  background-image:linear-gradient(rgba(194,86,47,.16) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(194,86,47,.16) 1px,transparent 1px);
  background-size:38px 38px; opacity:.7;
  -webkit-mask-image:radial-gradient(circle at center,#000,transparent 72%);
  mask-image:radial-gradient(circle at center,#000,transparent 72%);
}
.card-float{
  position:absolute; z-index:2; background:#fff; padding:.75rem 1.1rem; border-radius:100px;
  box-shadow:var(--shadow); font-size:.85rem; font-weight:600;
  display:flex; align-items:center; gap:.55rem; white-space:nowrap;
}
.card-float--1{ top:12%; left:-4%; }
.card-float--2{ bottom:14%; right:-2%; }
.dot{ width:9px; height:9px; border-radius:50%; background:var(--green); }
.dot--alt{ background:var(--ocre); }

/* ---------- Bandeau confiance ---------- */
.strip{ border-block:1px solid var(--line); background:#fff; }
.strip__in{
  display:flex; align-items:center; gap:2rem; padding-block:1.3rem; flex-wrap:wrap;
  font-size:.85rem; color:var(--muted);
}
.strip__logos{ display:flex; gap:2.2rem; flex-wrap:wrap; }
.strip__logos b{ color:var(--ink-soft); font-weight:600; opacity:.75; }

/* ---------- Sections ---------- */
.section{ padding-block:clamp(4rem,8vw,6.5rem); }
.section--soft{ background:var(--sand); }
.section--dark{ background:var(--ink); color:#f2efe9; }
.section--dark .eyebrow{ color:var(--ocre); }

.section__head{ max-width:640px; margin:0 auto 3.2rem; text-align:center; }
.section__head--left{ margin-inline:0; text-align:left; }
.section__head p{ color:var(--muted); margin-top:1rem; font-size:1.05rem; }
.section--dark .section__head p{ color:#b8b2a6; }

.grid{ display:grid; gap:1.6rem; }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }

/* ---------- Cartes formations ---------- */
.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:2rem; display:flex; flex-direction:column; gap:1.4rem;
  transition:.25s ease; position:relative;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); border-color:#d9d2c5; }
.card--feature{ border-color:var(--clay); box-shadow:var(--shadow); }
.badge{
  position:absolute; top:-13px; left:2rem;
  background:var(--clay); color:#fff; font-size:.72rem; font-weight:700;
  padding:.3rem .85rem; border-radius:100px; letter-spacing:.03em;
}
.card__top h3{ margin:.7rem 0 .6rem; }
.card__top p{ color:var(--muted); font-size:.95rem; }
.tag{
  font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em;
  color:var(--ink-soft); background:var(--sand); border:1px solid var(--line);
  padding:.25rem .7rem; border-radius:100px;
}

.ticks{ list-style:none; padding:0; margin:0; display:grid; gap:.6rem; }
.ticks li{ position:relative; padding-left:1.7rem; font-size:.93rem; color:var(--ink-soft); }
.ticks li::before{
  content:'✓'; position:absolute; left:0; top:-1px;
  width:1.15rem; height:1.15rem; border-radius:50%;
  background:rgba(47,107,82,.12); color:var(--green);
  font-size:.7rem; display:grid; place-items:center; font-weight:700;
}

.card__foot{
  margin-top:auto; padding-top:1.3rem; border-top:1px solid var(--line);
  display:grid; gap:1rem;
}
.card__foot .btn{ justify-self:stretch; }
.price strong{ display:block; font-size:1.32rem; }
.price span{ font-size:.79rem; color:var(--muted); }

.note{
  text-align:center; margin-top:2.5rem; color:var(--muted);
  font-size:.92rem; background:var(--sand); border:1px dashed var(--line);
  padding:1rem; border-radius:var(--radius);
}

/* ---------- Étapes méthode ---------- */
.steps .step{
  border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-lg);
  padding:1.8rem; background:rgba(255,255,255,.03); transition:.25s;
}
.steps .step:hover{ background:rgba(255,255,255,.07); transform:translateY(-4px); }
.step__n{
  font-family:'Instrument Serif',serif; font-size:2.1rem; color:var(--ocre); display:block; line-height:1;
}
.step h3{ margin:.9rem 0 .5rem; }
.step p{ color:#b8b2a6; font-size:.93rem; }

/* ---------- Boutique ---------- */
.product{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  overflow:hidden; display:flex; flex-direction:column; transition:.25s;
}
.product:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.product__img{
  aspect-ratio:16/10; display:grid; place-items:center; font-size:3.4rem;
}
.product__img--1{ background:linear-gradient(140deg,#f6e6d5,#eccfae); }
.product__img--2{ background:linear-gradient(140deg,#e3ecea,#c9ddd6); }
.product__img--3{ background:linear-gradient(140deg,#f2e9d6,#e6d7b4); }
.product__body{ padding:1.5rem; display:flex; flex-direction:column; gap:.6rem; flex:1; }
.product__body p{ color:var(--muted); font-size:.92rem; flex:1; }
.product__foot{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:1rem; border-top:1px solid var(--line); margin-top:.4rem;
}
.product__foot strong{ font-size:1.1rem; }

.payline{
  margin-top:2.5rem; display:flex; align-items:center; justify-content:center;
  gap:1.4rem; flex-wrap:wrap; font-size:.87rem; color:var(--muted);
}
.payline b{
  background:var(--sand); border:1px solid var(--line);
  padding:.4rem .9rem; border-radius:100px; color:var(--ink-soft); font-weight:600;
}

/* ---------- Témoignages ---------- */
.quote{
  margin:0; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius-lg); padding:2rem; position:relative;
}
.quote::before{
  content:'“'; font-family:'Instrument Serif',serif; font-size:4.5rem;
  color:var(--clay); opacity:.22; position:absolute; top:.4rem; right:1.4rem; line-height:1;
}
.quote p{ font-size:.98rem; color:var(--ink-soft); }
.quote footer{ margin-top:1.4rem; display:flex; flex-direction:column; }
.quote footer b{ font-size:.95rem; }
.quote footer span{ font-size:.83rem; color:var(--muted); }

/* ---------- Contact ---------- */
.contact{ display:grid; grid-template-columns:1fr 1fr; gap:3.5rem; align-items:start; }
.contact__text p{ color:#b8b2a6; margin-top:1rem; }

.infos{ list-style:none; padding:0; margin:2.4rem 0 0; display:grid; gap:1.4rem; }
.infos li{ display:flex; gap:1rem; align-items:flex-start; }
.infos li > span{
  width:40px; height:40px; flex:none; border-radius:12px;
  background:rgba(255,255,255,.08); display:grid; place-items:center;
}
.infos div{ display:flex; flex-direction:column; font-size:.94rem; color:#cfcabf; }
.infos b{ color:#fff; font-size:.83rem; text-transform:uppercase; letter-spacing:.07em; }
.infos a:hover{ color:var(--ocre); }

.form{
  background:#fff; border-radius:var(--radius-lg); padding:2.2rem;
  display:grid; gap:1.1rem; color:var(--ink); box-shadow:var(--shadow-lg);
}
.field{ display:grid; gap:.4rem; }
.field label{ font-size:.82rem; font-weight:600; color:var(--ink-soft); }
.field input,.field select,.field textarea{
  font-family:inherit; font-size:.95rem; color:var(--ink);
  border:1px solid var(--line); border-radius:12px; padding:.8rem 1rem;
  background:var(--sand); transition:.2s; width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--clay); background:#fff;
  box-shadow:0 0 0 3px rgba(194,86,47,.12);
}
.field textarea{ resize:vertical; }
.form__note{ font-size:.78rem; color:var(--muted); text-align:center; }

/* ---------- Footer ---------- */
.footer{ background:#141311; color:#a8a297; padding-top:4rem; font-size:.92rem; }
.footer__in{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:2.5rem; padding-bottom:3rem; }
.footer__brand p{ margin-top:1rem; max-width:20rem; }
.footer .logo{ color:#fff; }
.footer__col h4{ color:#fff; font-size:.83rem; text-transform:uppercase; letter-spacing:.1em; margin-bottom:1rem; }
.footer__col a{ display:block; padding-block:.32rem; }
.footer__col a:hover{ color:var(--ocre); }
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08); padding-block:1.4rem;
  display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; font-size:.82rem;
}

/* ---------- Bouton WhatsApp flottant ---------- */
.whatsapp{
  position:fixed; right:20px; bottom:20px; z-index:60;
  width:56px; height:56px; border-radius:50%;
  background:#25d366; color:#fff; display:grid; place-items:center;
  box-shadow:0 12px 28px -8px rgba(37,211,102,.7); transition:.25s;
}
.whatsapp:hover{ transform:scale(1.08); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width:960px){
  .grid--3,.grid--4{ grid-template-columns:repeat(2,1fr); }
  .hero__in{ grid-template-columns:1fr; }
  .hero__visual{ min-height:280px; order:-1; }
  .hero__blob{ width:min(70%,260px); }
  .card-float--1{ left:2%; }
  .card-float--2{ right:2%; }
  .contact{ grid-template-columns:1fr; gap:2.5rem; }
  .footer__in{ grid-template-columns:1fr 1fr; }
}

@media (max-width:720px){
  .topbar__in{ justify-content:center; font-size:.75rem; }
  .burger{ display:block; }

  .nav__links{
    position:absolute; top:74px; left:0; right:0;
    background:#fff; border-bottom:1px solid var(--line);
    flex-direction:column; align-items:stretch; gap:0;
    padding:0 24px; max-height:0; overflow:hidden;
    transition:max-height .3s ease, padding .3s ease;
  }
  .nav__links a{ padding-block:.95rem; border-bottom:1px solid var(--line); }
  .nav__links .btn{ margin-block:1rem; border-bottom:none; }
  .menu-toggle:checked ~ .nav__links{ max-height:420px; padding-block:.5rem; }
  .menu-toggle:checked ~ .burger span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .menu-toggle:checked ~ .burger span:nth-child(2){ opacity:0; }
  .menu-toggle:checked ~ .burger span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .grid--3,.grid--4{ grid-template-columns:1fr; }
  .footer__in{ grid-template-columns:1fr; gap:2rem; }
  .hero__stats{ gap:1.8rem; }
  .card,.form{ padding:1.5rem; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}