/* ===========================================================
   Dr Gassem — Feuille de style principale
   =========================================================== */

:root{
  --ink:#152238;
  --ink-soft:#3d4a63;
  --paper:#faf7f0;
  --paper-card:#ffffff;
  --paper-line:#e7e1d3;
  --highlight:#ffd93d;
  --highlight-soft:#fff2b8;
  --garnet:#8c2f39;
  --garnet-dark:#6e2029;
  --green-ok:#2f6b4f;
  --blue-fb:#0084ff;
  --radius:14px;
  --shadow:0 1px 2px rgba(21,34,56,.06), 0 8px 24px -12px rgba(21,34,56,.18);
  --max:1120px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:'Source Serif 4',Georgia,serif;
  font-weight:700;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--ink);
}
p{margin:0 0 1em;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px;}
.eyebrow{
  font-family:'Inter',sans-serif;
  font-weight:700;
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--garnet);
  margin-bottom:.6em;
  display:block;
}

/* highlighter mark */
mark{
  background:linear-gradient(120deg, var(--highlight) 0%, var(--highlight) 100%);
  background-repeat:no-repeat;
  background-size:100% 45%;
  background-position:0 78%;
  color:var(--ink);
  padding:0 .05em;
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:'Inter',sans-serif;
  font-weight:700;
  font-size:.95rem;
  padding:.85em 1.5em;
  border-radius:999px;
  text-decoration:none;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
  line-height:1;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--garnet);color:#fff;box-shadow:0 6px 16px -6px rgba(140,47,57,.55);}
.btn-primary:hover{background:var(--garnet-dark);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost2{background:#444;border-color:var(--ink);color:#fff;}
.btn-ghost2:hover{background:var(--ink);color:#fff;}
.btn-amazon{background:#232f3e;color:#fff;}
.btn-amazon:hover{background:#0f1626;}
.btn-block{width:100%;justify-content:center;}
.btn-sm{padding:.65em 1.1em;font-size:.85rem;}

/* --- Bouton WhatsApp --- */
.btn-whatsapp{background:#25D366;color:#fff;border:none;}
.btn-whatsapp:hover{background:#1da851;color:#fff;}

/* ---------- HEADER ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:#faf7f0;
  border-bottom:1px solid var(--paper-line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  max-width:var(--max);margin:0 auto;
}
.logo{
  font-family:'Source Serif 4',serif;
  font-weight:700;
  font-size:1.25rem;
  text-decoration:none;
  color:var(--ink);
  display:flex;align-items:center;gap:.5em;
}
.logo .logo-icon{width:24px;height:24px;object-fit:contain;flex:none;border-radius:6px;}
.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0;font-weight:600;font-size:.92rem;}
.nav-links a{text-decoration:none;color:var(--ink-soft);}
.nav-links a:hover{color:var(--garnet);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.burger{display:none;background:none;border:none;cursor:pointer;width:40px;height:40px;padding:8px;}
.burger span{display:block;height:2px;background:var(--ink);margin:6px 0;border-radius:2px;transition:.2s;}

/* ---------- HERO ---------- */
.hero{padding:56px 0 40px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-120px;right:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center, var(--highlight-soft), transparent 70%);
  z-index:0;
}
.hero-inner{position:relative;z-index:1;max-width:760px;}
.hero h1{font-size:clamp(2rem, 5.5vw, 3.1rem);letter-spacing:-.01em;}
.hero .lead{font-size:clamp(1.02rem,2.4vw,1.2rem);color:var(--ink-soft);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{margin-top:18px;font-size:.85rem;color:var(--ink-soft);display:flex;align-items:center;gap:.5em;flex-wrap:wrap;}
.hero-note svg{flex:none;color:var(--green-ok);}
.hero-note.amazon-note{color:var(--ink-soft);}
.hero-note.amazon-note a{color:var(--garnet);font-weight:700;text-decoration:underline;}

/* ---------- SECTION helpers ---------- */
section{padding:56px 0;}
.section-head{max-width:640px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.55rem,3.6vw,2.1rem);}
.section-head p{color:var(--ink-soft);font-size:1.02rem;}

/* ---------- A PROPOS ---------- */
.about{background:var(--ink);color:#f2efe6;border-radius:24px;margin:0 20px;padding:44px 28px;}
@media(min-width:768px){.about{padding:56px 48px;}}
.about .wrap{padding:0;max-width:980px;}
.about-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media(min-width:760px){.about-grid{grid-template-columns:180px 1fr;gap:40px;}}
.about-photo{
  width:140px;height:140px;border-radius:50%;
  background:linear-gradient(135deg,var(--highlight),#f4c430);
  display:flex;align-items:center;justify-content:center;
  font-family:'Source Serif 4',serif;font-weight:700;font-size:2.4rem;
  color:var(--ink);margin:0 auto;border:4px solid rgba(255,255,255,.15);
  overflow:hidden;
}
.about-photo img{width:100%;height:100%;object-fit:cover;}
@media(min-width:760px){.about-photo{margin:0;}}
.about h2{color:#fff;font-size:clamp(1.5rem,3.5vw,2rem);}
.about p{color:#cfd3dc;}
.about-badges{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 22px;}
.badge{font-size:.8rem;font-weight:600;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:.4em .9em;border-radius:999px;color:#e8e6df;}
.about .btn-fb{background:#fff;color:var(--ink);}
.about .btn-fb:hover{background:var(--highlight);}

/* ---------- FICHES GRATUITES BANNER ---------- */
.fiches-banner{
  background:var(--paper-card);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:28px;
  display:flex;flex-direction:column;gap:16px;
  align-items:flex-start;
  position:relative;
  overflow:hidden;
}
.fiches-banner::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--highlight),var(--garnet));
}
@media(min-width:760px){
  .fiches-banner{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;}
}
.fiches-banner h3{font-size:1.3rem;margin-bottom:.3em;}
.fiches-banner p{color:var(--ink-soft);margin:0;max-width:52ch;}
.fiches-banner .actions{display:flex;flex-wrap:wrap;gap:10px;flex:none;}

/* ---------- PRODUCTS ---------- */
.products-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:640px){.products-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:980px){.products-grid{grid-template-columns:repeat(3,1fr);}}

.card{background:var(--paper-card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--paper-line);}
.card-cover{aspect-ratio:4/3;background:linear-gradient(135deg,#eef0f5,#dfe3ec);display:flex;align-items:center;justify-content:center;position:relative;}
.card-cover img{width:100%;height:100%;object-fit:cover;}
.card-cover .fallback{font-family:'Source Serif 4',serif;font-weight:700;color:var(--ink-soft);text-align:center;padding:1em;font-size:1.05rem;}
.card-tag{position:absolute;top:10px;left:10px;background:var(--garnet);color:#fff;font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.35em .7em;border-radius:999px;}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:1.15rem;margin-bottom:.35em;}
.card-body .sub{font-size:.85rem;color:var(--garnet);font-weight:700;margin-bottom:.7em;}
.card-body .desc{font-size:.92rem;color:var(--ink-soft);flex:1;margin-bottom:1em;}
.price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:14px;}
.price-now{font-size:1.35rem;font-weight:800;font-family:'Source Serif 4',serif;}
.price-old{font-size:.9rem;color:#9aa0ad;text-decoration:line-through;}

/* ---------- TESTIMONIALS ---------- */
.testi-scroll{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.testi-scroll{grid-template-columns:1fr 1fr;}}
@media(min-width:980px){.testi-scroll{grid-template-columns:repeat(3,1fr);}}
.bubble{background:#fff;border:1px solid var(--paper-line);border-radius:18px 18px 18px 4px;padding:16px 18px;box-shadow:var(--shadow);font-size:.94rem;position:relative;}
.bubble .who{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.78rem;color:var(--ink-soft);font-weight:600;}
.bubble .who .av{width:22px;height:22px;border-radius:50%;background:var(--highlight-soft);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:var(--garnet);flex:none;}
.testi-cta{text-align:center;margin-top:34px;}

/* ---------- FAQ ---------- */
.faq{max-width:760px;}
.faq-item{border-bottom:1px solid var(--paper-line);}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 4px;font-weight:700;display:flex;justify-content:space-between;align-items:center;font-family:'Source Serif 4',serif;font-size:1.05rem;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{font-family:'Inter',sans-serif;font-size:1.3rem;color:var(--garnet);flex:none;margin-left:12px;transition:transform .2s;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .a{padding:0 4px 20px;color:var(--ink-soft);}
.faq-item .a a{color:var(--garnet);font-weight:600;}

/* ---------- STICKY MOBILE CTA ---------- */
/* (barre de commande fixe mobile supprimée) */

/* ---------- FOOTER ---------- */
footer.site{background:var(--ink);color:#c9cdd7;padding:44px 0 90px;margin-top:40px;}
@media(min-width:860px){footer.site{padding-bottom:44px;}}
footer.site .cols{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:640px){footer.site .cols{grid-template-columns:1.3fr 1fr 1fr;}}
footer.site h4{color:#fff;font-family:'Inter',sans-serif;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;}
footer.site a{text-decoration:none;color:#c9cdd7;}
footer.site a:hover{color:var(--highlight);}
footer.site .flist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:.92rem;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;font-size:.8rem;color:#8b91a1;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}

/* ---------- MOBILE NAV ---------- */
@media(max-width:860px){
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;
    background:var(--paper);
    flex-direction:column;
    padding:88px 20px 24px;
    gap:4px;
    transform:translateX(100%);
    transition:transform .25s ease;
    font-size:1.1rem;
    z-index:100;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links li{border-bottom:1px solid var(--paper-line);}
  .nav-links a{display:block;padding:16px 4px;}
  .nav-cta .btn-ghost{display:none;}
  .burger{display:block !important;position:relative;z-index:110;}
  .burger.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
  .burger.is-open span:nth-child(2){opacity:0;}
  .burger.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
  .nav-close-row{border-bottom:none !important;display:flex;justify-content:flex-end;margin-bottom:8px;}
  .nav-close-btn{
    background:var(--paper-line);border:none;border-radius:999px;
    padding:.6em 1.1em;font-weight:700;font-size:.95rem;color:var(--ink);
    cursor:pointer;
  }
}
body.menu-open{overflow:hidden;}

/* ---------- BOOK DETAIL PAGE ---------- */
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin:20px 0 0;}
.breadcrumb a{color:var(--garnet);text-decoration:none;font-weight:600;}
.breadcrumb a:hover{text-decoration:underline;}

.book-hero{padding:24px 0 48px;}
.book-hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media(min-width:760px){.book-hero-grid{grid-template-columns:1fr 1.15fr;gap:48px;}}
.book-cover-plain img{width:100%;border-radius:var(--radius);display:block;}
.book-cover-plain .fallback{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef0f5,#dfe3ec);border-radius:var(--radius);font-family:'Source Serif 4',serif;font-weight:700;color:var(--ink-soft);text-align:center;padding:1em;}

.pages-badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;color:var(--ink-soft);background:#f0ede2;padding:.4em .9em;border-radius:999px;margin-bottom:14px;}
.book-quote{font-family:'Source Serif 4',serif;font-style:italic;font-size:1.15rem;color:var(--ink-soft);border-left:3px solid var(--highlight);padding-left:18px;margin:20px 0;}
.book-price-block{display:flex;align-items:baseline;gap:12px;margin:22px 0 6px;}
.book-price-block .price-now{font-size:2rem;}
.book-actions{display:flex;flex-wrap:wrap;gap:18px 24px;margin-top:18px;}
.action-item{display:flex;flex-direction:column;gap:8px;}
.action-item .hero-note{margin-top:0;font-size:.8rem;}

.fiches-highlight{
  background:var(--paper-card);
  border:1px solid var(--paper-line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
@media(min-width:760px){.fiches-highlight{flex-direction:row;align-items:stretch;}}
.fiches-highlight-img{flex:1 1 55%;background:linear-gradient(135deg,#f3efe1,#e9e2cc);}
.fiches-highlight-img img{width:100%;height:100%;object-fit:cover;display:block;min-height:180px;}
.fiches-highlight-text{flex:1 1 45%;padding:30px 28px;display:flex;flex-direction:column;justify-content:center;}
@media(min-width:760px){.fiches-highlight-text{padding:36px 44px;}}
.fiches-highlight-text h2{color:var(--ink);font-size:clamp(1.5rem,3.6vw,2rem);margin-bottom:.4em;}
.fiches-highlight-text p{color:var(--ink-soft);font-size:1rem;margin:0;}

.sommaire-box{background:var(--paper-card);border:1px solid var(--paper-line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;}
@media(min-width:760px){.sommaire-box{padding:36px;}}
.sommaire-fiches-note{margin:22px 0 0;padding-top:18px;border-top:1px dashed var(--paper-line);font-size:1rem;color:var(--ink-soft);text-align:center;}
.sommaire-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
@media(min-width:760px){.sommaire-list{grid-template-columns:1fr 1fr;gap:12px 28px;}}
.sommaire-list li{display:flex;gap:10px;align-items:flex-start;font-size:.95rem;color:var(--ink-soft);}
.sommaire-list li::before{content:"✓";color:var(--green-ok);font-weight:700;flex:none;}

.other-books{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;}
.other-books a{
  display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;
  background:#fff;border:1px solid var(--paper-line);border-radius:12px;padding:14px;
  text-decoration:none;font-size:.85rem;font-weight:600;color:var(--ink);
  transition:transform .15s ease, box-shadow .15s ease;
}
.other-books a:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.other-books img{width:64px;height:64px;object-fit:cover;border-radius:8px;}

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