/* =========================================================
   Evolibra — Accompagnement IFS
   Feuille de style commune
   Palette claire · vert sauge + blush · beaucoup d'air
   ========================================================= */

:root{
  --bg:#FBFAF7;
  --surface:#FFFFFF;
  --ink:#26302E;
  --ink-soft:#5A6560;
  --ink-faint:#8A938E;

  --sage:#6E8F7D;
  --sage-deep:#516F5E;
  --sage-tint:#EAF0EB;
  --sage-tint-2:#F1F5F1;

  --blush:#EAD9CC;
  --blush-tint:#FAF1EA;

  --line:#EBE6DE;

  --maxw:1080px;
  --radius:18px;

  --shadow:0 1px 2px rgba(38,48,46,.04), 0 12px 30px -18px rgba(38,48,46,.16);

  --serif:"Newsreader", Georgia, "Times New Roman", serif;
  --sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Typographie ---------- */

h1,h2,h3{
  font-family:var(--serif);
  font-weight:400;
  color:var(--ink);
  letter-spacing:-.01em;
  line-height:1.15;
  margin:0 0 .4em;
}

h1{ font-size:clamp(2.2rem,5vw,3.4rem); }
h2{ font-size:clamp(1.7rem,3.4vw,2.35rem); }
h3{ font-size:1.2rem; }

p{ margin:0 0 1.1em; color:var(--ink-soft); }
p.lead{ font-size:1.15rem; color:var(--ink); }

a{ color:var(--sage-deep); }

.eyebrow{
  font-family:var(--sans);
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sage-deep);
  margin:0 0 1rem;
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width:26px; height:1px;
  background:var(--sage);
  display:inline-block;
}

.serif-accent{ font-family:var(--serif); font-style:italic; color:var(--ink); }

/* ---------- Boutons ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--sans);
  font-size:.98rem;
  font-weight:500;
  padding:.85em 1.5em;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn-primary{ background:var(--sage-deep); color:#fff; }
.btn-primary:hover{ background:#425c4c; transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--sage-deep); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--sage); background:var(--sage-tint-2); }

/* ---------- Navigation ---------- */

.nav{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease;
}
.nav.scrolled{ border-bottom-color:var(--line); }
.nav-inner{
  display:flex; align-items:center; justify-content:center;
  height:70px;
}
.brand{
  font-family:var(--serif);
  font-size:1.28rem;
  color:var(--ink);
  text-decoration:none;
  letter-spacing:-.01em;
}
.brand span{ color:var(--sage-deep); }
.nav-links{ display:flex; align-items:center; gap:2rem; }
.nav-links a{
  font-size:.95rem;
  color:var(--ink-soft);
  text-decoration:none;
  transition:color .2s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links .btn{ padding:.6em 1.2em; }
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover{ color:#fff; }
.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:4px 0; border-radius:2px; }

/* ---------- Sections ---------- */

section{ padding:clamp(56px,9vw,110px) 0; }
.section-tint{ background:var(--sage-tint-2); }

/* ---------- Hero ---------- */

.hero{
  position:relative;
  overflow:hidden;
  text-align:center;
  padding-top:clamp(64px,10vw,120px);
}
.hero .wrap{ position:relative; z-index:2; max-width:820px; }
.hero h1{ margin-bottom:.3em; }
.hero p.lead{ max-width:620px; margin-left:auto; margin-right:auto; }
.hero-cta{ margin-top:2rem; display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }

/* formes organiques douces (signature) */
.blob{ position:absolute; border-radius:46% 54% 62% 38% / 55% 46% 54% 45%; filter:blur(2px); opacity:.55; z-index:1; }
.blob-1{ width:340px; height:320px; background:var(--blush-tint); top:-60px; left:-90px; }
.blob-2{ width:300px; height:300px; background:var(--sage-tint); bottom:-80px; right:-70px; border-radius:54% 46% 40% 60% / 46% 54% 46% 54%; }

/* ---------- IFS : deux colonnes ---------- */

.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,6vw,72px); align-items:start; }
.chips{ display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.2rem; }
.chip{
  font-size:.9rem;
  color:var(--sage-deep);
  background:var(--sage-tint);
  border:1px solid color-mix(in srgb, var(--sage) 25%, transparent);
  padding:.35em .9em;
  border-radius:999px;
}

/* ---------- Cartes catégories ---------- */

.cards{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:2.5rem; }
.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px 28px 24px 30px;
  padding:26px 22px;
  box-shadow:var(--shadow);
}
.card:nth-child(1){ background:var(--blush-tint); border-color:color-mix(in srgb,var(--blush) 50%,var(--line)); }
.card:nth-child(2){ background:var(--sage-tint-2); }
.card:nth-child(3){ background:var(--blush-tint); border-color:color-mix(in srgb,var(--blush) 50%,var(--line)); }
.card:nth-child(4){ background:var(--sage-tint-2); }
.card h3{ font-size:1.05rem; margin-bottom:1rem; padding-bottom:1rem; border-bottom:1px solid color-mix(in srgb,var(--ink) 8%,transparent); }
.card h3 strong{ font-weight:600; }
.card h3 em{ font-style:italic; font-weight:400; color:var(--ink-soft); font-size:.92em; }
.card ul{ list-style:none; margin:0; padding:0; }
.card li{
  position:relative;
  padding-left:1.3em;
  margin-bottom:.65em;
  font-size:.9rem;
  color:var(--ink-soft);
  line-height:1.5;
}
.card li::before{
  content:"";
  position:absolute; left:0; top:.62em;
  width:7px; height:7px; border-radius:50%;
  background:var(--sage);
}

/* ---------- Déroulé (étapes) ---------- */

.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:2.4rem; }
.step{ }
.step .num{
  font-family:var(--serif); font-style:italic;
  font-size:1.6rem; color:var(--sage);
  display:block; margin-bottom:.3rem;
}
.step h3{ font-family:var(--sans); font-size:1.02rem; font-weight:600; margin-bottom:.4rem; color:var(--sage-deep); }
.step p{ font-size:.95rem; margin:0; }

/* ---------- Qui suis-je ---------- */

.about{ display:grid; grid-template-columns:0.8fr 1.2fr; gap:clamp(28px,5vw,60px); align-items:center; }
.portrait-frame{ position:relative; }
.portrait-frame::before{
  content:"";
  position:absolute; inset:0;
  transform:translate(18px,18px);
  background:var(--sage-tint);
  border:1px solid color-mix(in srgb, var(--sage) 30%, transparent);
  border-radius:120px 120px 24px 24px;
  z-index:0;
}
.portrait{
  position:relative; z-index:1;
  width:100%; aspect-ratio:4/5; object-fit:cover;
  border-radius:120px 120px 24px 24px;
  background:var(--sage-tint);
  border:1px solid var(--line);
}
.portrait-ph{
  display:flex; align-items:center; justify-content:center;
  color:var(--sage-deep); font-family:var(--serif); font-size:2rem;
}

/* ---------- Bandeau infos pratiques ---------- */

.facts{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.fact{ text-align:center; }
.fact .k{ font-family:var(--serif); font-size:1.5rem; color:var(--ink); display:block; }
.fact .v{ font-size:.9rem; color:var(--ink-soft); }

/* ---------- Encart éthique ---------- */

.note{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--sage);
  border-radius:var(--radius);
  padding:clamp(26px,4vw,40px);
  max-width:760px;
}
.note h2{ font-size:1.5rem; }
.note p:last-child{ margin-bottom:0; }

/* ---------- FAQ ---------- */

.faq{ max-width:760px; margin-top:2rem; }
.faq details{
  border-bottom:1px solid var(--line);
  padding:.4rem 0;
}
.faq summary{
  cursor:pointer;
  list-style:none;
  padding:1rem 2rem 1rem 0;
  position:relative;
  font-family:var(--serif);
  font-size:1.12rem;
  color:var(--ink);
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+";
  position:absolute; right:0; top:50%;
  transform:translateY(-50%);
  font-family:var(--sans);
  font-size:1.4rem; color:var(--sage-deep);
  transition:transform .2s ease;
}
.faq details[open] summary::after{ content:"–"; }
.faq details p{ margin:0 0 1rem; padding-right:2rem; }
.faq summary:focus-visible{ outline:2px solid var(--sage-deep); outline-offset:3px; border-radius:4px; }

/* ---------- CTA final ---------- */

.cta-final{ text-align:center; }
.cta-final .wrap{ max-width:640px; }

/* ---------- Formulaire ---------- */

.form{ max-width:560px; }
.field{ margin-bottom:1.2rem; }
.field label{ display:block; font-size:.9rem; font-weight:500; margin-bottom:.4rem; color:var(--ink); }
.field input, .field textarea{
  width:100%;
  font-family:var(--sans); font-size:1rem;
  color:var(--ink);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:.8em 1em;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus{
  outline:none;
  border-color:var(--sage);
  box-shadow:0 0 0 3px var(--sage-tint);
}
.field textarea{ min-height:150px; resize:vertical; }
.consent{ display:flex; gap:.7rem; align-items:flex-start; font-size:.88rem; color:var(--ink-soft); margin-bottom:1.4rem; }
.consent input{ margin-top:.25em; accent-color:var(--sage-deep); }

/* ---------- Pages légales ---------- */

.legal{ max-width:760px; }
.legal h2{ font-size:1.35rem; margin-top:2.2rem; }
.legal h2:first-of-type{ margin-top:0; }
.legal p, .legal li{ color:var(--ink-soft); }
.legal .muted{ font-size:.9rem; color:var(--ink-faint); }

/* ---------- Footer ---------- */

.footer{ background:#F3F0EA; border-top:1px solid var(--line); padding:56px 0 40px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; }
.footer .brand{ font-size:1.2rem; }
.footer p, .footer a{ font-size:.9rem; color:var(--ink-soft); }
.footer a{ text-decoration:none; display:block; margin-bottom:.5rem; }
.footer a:hover{ color:var(--ink); }
.footer h4{ font-size:.78rem; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-faint); margin:0 0 1rem; font-weight:600; }
.footer-legal{ margin-top:40px; padding-top:24px; border-top:1px solid var(--line); font-size:.82rem; color:var(--ink-faint); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; }

/* ---------- Reveal ---------- */

/* le contenu reste visible si le JS ne se charge pas :
   le masquage n'est actif que lorsque la classe .js est posée */
.js .reveal{ opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s ease; }
.js .reveal.in{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */

@media (max-width:700px){
  .cards{ grid-template-columns:repeat(2,1fr); gap:22px; }
}

@media (max-width:820px){
  .nav-inner{ justify-content:flex-end; }
  .nav-links{
    position:fixed; inset:70px 0 auto 0;
    flex-direction:column; align-items:flex-start; gap:1.4rem;
    background:var(--bg); border-bottom:1px solid var(--line);
    padding:24px; display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:block; }
  .split, .about{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr 1fr; }
  .facts{ grid-template-columns:1fr 1fr; gap:28px; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .about .portrait-frame{ max-width:280px; }
}

@media (max-width:480px){
  .steps{ grid-template-columns:1fr; }
  .cards{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion:reduce){
  *{ scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .btn:hover{ transform:none; }
}