/* Bertrand Ndeffo · site des livres. Couleurs de marque : marine #0F1E3D, or #E0A526. */
:root {
  --navy: #0F1E3D; --navy-2: #182B52; --gold: #E0A526; --gold-soft: #FBF1DB;
  --ink: #1C2333; --muted: #5A6478; --line: #E3E6EC; --bg: #FFFFFF; --bg-2: #F6F4EF;
  --green: #2F7D4F; --radius: 14px; --shadow: 0 10px 30px rgba(15,30,61,.12);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); font-size: 18px; line-height: 1.6; color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; color: var(--navy); margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 650; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 600; }
h3 { font-size: 1.3rem; font-weight: 600; }
p { margin: 0 0 1em; }
.wrap { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); margin-inline: auto; }
.section { padding: 72px 0; }
.section.alt { background: var(--bg-2); }
.section.dark { background: var(--navy); color: #fff; }
.section.dark h2, .section.dark h3 { color: #fff; }
.kicker { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #9A6B00; margin-bottom: 10px; }
.dark .kicker, .hero .kicker { color: var(--gold); }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 46em; }
.dark .lead { color: #D5DBE8; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 99; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font-weight: 700; font-size: 1rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; font-family: var(--sans); }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(15,30,61,.18); }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-ghost { border-color: currentColor; color: var(--navy); background: transparent; }
.dark .btn-ghost, .hero .btn-ghost { color: #fff; }
.btn-sm { padding: 9px 16px; font-size: .92rem; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }

/* En-tête */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { text-decoration: none; color: var(--navy); line-height: 1.1; }
.brand b { display: block; font-family: var(--serif); font-size: 1.35rem; }
.brand span { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-weight: 600; font-size: .98rem; color: var(--ink); }
.nav a:hover, .nav a[aria-current="page"] { color: #9A6B00; }
.nav .lang { border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font-size: .85rem; }
.menu-btn { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--navy); cursor: pointer; padding: 6px; }
@media (max-width: 900px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .nav .btn { margin: 12px 20px 16px; }
  .nav .lang { border: 0; border-top: 1px solid var(--line); border-radius: 0; padding: 14px 20px; font-size: .98rem; }
}

/* Héros */
.hero { background: radial-gradient(circle at 80% 20%, #22386A 0, var(--navy) 55%); color: #fff; padding: 72px 0 80px; overflow: hidden; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero p.lead { color: #D5DBE8; }
.covers { position: relative; height: 420px; }
.covers img { position: absolute; width: 46%; border-radius: 6px; box-shadow: 0 24px 50px rgba(0,0,0,.45); }
.covers img:nth-child(1) { left: 4%; top: 30px; transform: rotate(-7deg); }
.covers img:nth-child(2) { left: 30%; top: 0; z-index: 2; }
.covers img:nth-child(3) { left: 54%; top: 34px; transform: rotate(7deg); }
.proof { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 28px; font-size: .95rem; color: #C9D1E2; }
.proof b { color: #fff; font-size: 1.15rem; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .covers { height: 300px; max-width: 420px; margin: 0 auto; width: 100%; }
}

/* Grilles et cartes */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: 0 2px 10px rgba(15,30,61,.04); }
.card h3 { margin-top: 0; }
.icon { width: 46px; height: 46px; border-radius: 12px; background: var(--gold-soft); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 14px; }

/* Livres */
.book { display: grid; grid-template-columns: 200px 1fr; gap: 26px; align-items: start; }
.book .cover-wrap { position: relative; }
.book .cover-wrap img { border-radius: 6px; box-shadow: var(--shadow); }
.book h3 { font-size: 1.45rem; }
.book .sub { color: var(--muted); font-size: 1rem; margin-top: -6px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 14px; }
.tag { font-size: .8rem; font-weight: 700; background: var(--bg-2); border-radius: 999px; padding: 3px 10px; color: var(--navy); }
.tag.gold { background: var(--gold-soft); color: #7A5300; }
.langs { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; margin-bottom: 10px; }
.langs button { border: 0; background: none; padding: 5px 12px; border-radius: 999px; font: inherit; font-size: .85rem; font-weight: 700; cursor: pointer; color: var(--muted); }
.langs button[aria-pressed="true"] { background: var(--navy); color: #fff; }
@media (max-width: 640px) { .book { grid-template-columns: 120px 1fr; gap: 16px; } .book h3 { font-size: 1.2rem; } }

/* Page livre */
.book-hero { background: var(--bg-2); padding: 56px 0; }
.book-hero .grid { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.book-hero .cover-big img { border-radius: 8px; box-shadow: var(--shadow); }
@media (max-width: 800px) { .book-hero .grid { grid-template-columns: 1fr; } .book-hero .cover-big { max-width: 260px; } }
.buy { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; margin-top: 18px; }
.buy-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.buy-row:last-child { border-bottom: 0; }
.buy-row b { display: block; }
.buy-row small { color: var(--muted); }
.check { list-style: none; padding: 0; margin: 0 0 1em; }
.check li { padding-left: 30px; position: relative; margin: 8px 0; }
.check li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 800; }
.quote { font-family: var(--serif); font-size: 1.25rem; line-height: 1.5; border-left: 4px solid var(--gold); padding: 6px 0 6px 20px; color: var(--navy); }

/* Cadeaux */
.gift { display: flex; flex-direction: column; }
.gift .btn { margin-top: auto; align-self: flex-start; }
.gift .what { font-size: .82rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--green); }

/* Événements */
.events { display: grid; gap: 14px; }
.event { display: grid; grid-template-columns: 92px 1fr auto; gap: 18px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; color: var(--ink); }
.event .date { background: var(--navy); color: #fff; border-radius: 10px; text-align: center; padding: 10px 6px; line-height: 1.1; }
.event .date b { display: block; font-family: var(--serif); font-size: 1.7rem; }
.event .date span { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.event h3 { font-size: 1.1rem; margin: 0 0 4px; color: var(--navy); }
.event p { margin: 0; color: var(--muted); font-size: .95rem; }
@media (max-width: 700px) { .event { grid-template-columns: 70px 1fr; } .event .btn { grid-column: 1 / -1; } }
.past { columns: 2; column-gap: 32px; padding-left: 20px; }
@media (max-width: 700px) { .past { columns: 1; } }

/* Vidéo YouTube légère (chargée au clic, sans témoin avant) */
.yt { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: #000; cursor: pointer; border: 0; padding: 0; width: 100%; }
.yt img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.yt .play { position: absolute; inset: 0; display: grid; place-items: center; }
.yt .play span { width: 74px; height: 52px; background: #E62117; border-radius: 14px; display: grid; place-items: center; color: #fff; font-size: 1.6rem; }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Réseaux sociaux */
.socials { display: flex; flex-wrap: wrap; gap: 12px; }
.social { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); text-decoration: none; font-weight: 700; color: var(--navy); font-size: .95rem; }
.social svg { width: 20px; height: 20px; fill: currentColor; }
.dark .social, .site-footer .social { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); color: #fff; }
.site-footer .socials { margin-top: 14px; }
.site-footer .social { padding: 8px 14px; font-size: .88rem; }

/* Formulaires */
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { form .row { grid-template-columns: 1fr; } }
label { display: block; font-weight: 700; font-size: .95rem; margin: 12px 0 6px; }
input, select, textarea { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1.5px solid #C9CFDA; border-radius: 10px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(224,165,38,.35); border-color: var(--gold); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .9rem; color: var(--muted); }
.consent input { width: auto; margin-top: 5px; }
.hp { position: absolute; left: -9999px; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-form input { flex: 1 1 220px; }
.inline-form .consent input { flex: none; }
.note { font-size: .85rem; color: var(--muted); }
.dark .note { color: #AEB8CC; }

/* Bandeau newsletter */
.newsletter { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 800px) { .newsletter { grid-template-columns: 1fr; } }

/* Pied de page */
.site-footer { background: #0A1530; color: #B8C1D4; padding: 56px 0 28px; font-size: .95rem; }
.site-footer a { color: #E6EAF2; text-decoration: none; }
.site-footer a:hover { color: var(--gold); }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.site-footer h4 { color: #fff; font-family: var(--serif); font-size: 1.1rem; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 6px 0; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .85rem; }
@media (max-width: 800px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } }

/* Divers */
.photo { border-radius: var(--radius); box-shadow: var(--shadow); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; gap: 28px; } }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font-weight: 700; cursor: pointer; color: var(--navy); }
.faq details p { margin: 10px 0 0; color: var(--muted); }
.badge { display: inline-block; background: var(--gold); color: var(--navy); font-weight: 800; font-size: .78rem; padding: 3px 10px; border-radius: 999px; letter-spacing: .04em; }
.photo-credit { font-size: .75rem; color: var(--muted); margin-top: 6px; }
/* Cartes sur fond marine (offre de conférences de l'accueil) */
.dark .card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); box-shadow: none; }
.dark .card p { color: #D5DBE8; }
.dark .consent, .hero .note { color: #D5DBE8; }
.hero .note a { color: var(--gold); }
.dark .consent a, .dark .note a { color: var(--gold); }
.pont-ok { flex-basis: 100%; margin: 4px 0 0; font-weight: 700; color: var(--gold); }

/* Témoignages */
.testi { margin: 0; display: flex; flex-direction: column; justify-content: space-between; gap: 18px; border-top: 4px solid var(--gold); }
.testi blockquote { margin: 0; font-family: var(--serif, Georgia, serif); font-size: 1.05rem; line-height: 1.6; color: var(--ink); }
.testi figcaption { font-size: .9rem; color: var(--muted); }
.testi figcaption b { display: block; color: var(--navy); font-size: 1rem; }

/* Page Rendez-vous: liste à gauche, agenda Calendly à droite */
.rdv { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.calendly-inline-widget { min-width: 300px; height: 720px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
@media (max-width: 900px) { .rdv { grid-template-columns: 1fr; gap: 28px; } .calendly-inline-widget { height: 1000px; } }
@media (min-width: 901px) and (max-width: 1080px) { .nav { gap: 14px; } .nav a { font-size: .92rem; } }

.sticky-buy { display: none; }
@media (max-width: 640px) {
  body { font-size: 17px; }
  .section { padding: 54px 0; }
  .sticky-buy { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 40; background: #fff; border-top: 1px solid var(--line); padding: 10px 16px; gap: 10px; box-shadow: 0 -6px 18px rgba(15,30,61,.1); }
  .sticky-buy .btn { flex: 1; }
  body.has-sticky { padding-bottom: 72px; }
}