/* ============================================================
   ÉDITIONS OMAYAL — LE GRAND MAGAL DE TOUBA
   Design System Épuré & Haut de Gamme
   « Édition de Prestige & Lumière Épurée »
   ============================================================ */

:root {
  /* Palette de Couleurs */
  --bg-main:       #FAF8F5;
  --bg-card:       #FFFFFF;
  --bg-soft:       #F3EFE6;
  --navy-dark:     #0F172A;
  --navy-main:     #1E293B;
  --navy-light:    #334155;

  --gold-primary:  #C5A059;
  --gold-light:    #E5C483;
  --gold-dark:     #9A7B38;
  --gold-glow:     rgba(197, 160, 89, 0.25);

  --text-main:     #1E293B;
  --text-muted:    #64748B;
  --text-light:    #94A3B8;

  --line-subtle:   rgba(197, 160, 89, 0.18);
  --line-light:    #E2E8F0;

  --wa-brand:      #25D366;
  --wa-dark:       #128C7E;

  /* Typographie */
  --font-serif:    'Cormorant Garamond', Georgia, serif;
  --font-sans:     'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;

  /* Effets & Ombres */
  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     24px;
  --radius-pill:   999px;

  --shadow-sm:     0 4px 12px rgba(15, 23, 42, 0.03);
  --shadow-md:     0 12px 32px -8px rgba(15, 23, 42, 0.08);
  --shadow-lg:     0 24px 48px -12px rgba(15, 23, 42, 0.12);
  --shadow-gold:   0 10px 30px -5px rgba(197, 160, 89, 0.35);

  --max-width:     1200px;
}

/* Reset Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- BOUTONS ÉPURÉS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem;
  padding: 0.85rem 1.8rem; border-radius: var(--radius-pill); border: 1px solid transparent;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.01em; position: relative; overflow: hidden;
}
.btn--primary {
  background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
  color: #FFFFFF;
  box-shadow: var(--shadow-gold);
}
/* Effet shimmer au survol */
.btn--primary::after {
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .6s ease;
}
.btn--primary:hover::after { left: 130%; }
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px -4px rgba(197, 160, 89, 0.45);
  background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
}
.btn--ghost {
  background: transparent;
  color: var(--navy-main);
  border-color: var(--line-subtle);
}
.btn--ghost:hover {
  background: var(--navy-main);
  color: #FFFFFF;
  border-color: var(--navy-main);
  transform: translateY(-2px);
}
.btn--block { width: 100%; }
.btn--whatsapp {
  background: linear-gradient(135deg, var(--wa-brand), var(--wa-dark)); color: #fff;
  box-shadow: 0 10px 26px rgba(37,211,102,.35); font-size: 1.02rem;
}
.btn--whatsapp:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(37,211,102,.45); }
.wa-icon { width: 22px; height: 22px; fill: currentColor; }

/* ---------- BARRE D'ANNONCE ---------- */
.topbar {
  background: var(--navy-dark);
  color: #E2E8F0;
  font-size: 0.84rem;
  padding: 0.6rem 1rem;
  display: flex; align-items: center; justify-content: center; gap: 0.6rem; flex-wrap: wrap;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}
.topbar strong { color: var(--gold-light); font-weight: 600; }
.topbar__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold-primary);
  box-shadow: 0 0 10px var(--gold-primary);
  animation: pulseDot 2s infinite;
}
.topbar__cta {
  color: #FFFFFF; font-weight: 600; text-decoration: underline; text-underline-offset: 3px;
  opacity: 0.9; transition: opacity 0.2s;
}
.topbar__cta:hover { opacity: 1; color: var(--gold-light); }
@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(197, 160, 89, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(197, 160, 89, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(197, 160, 89, 0); }
}

/* ---------- NAVIGATION GLASS ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-subtle);
  transition: all 0.3s ease;
}
.nav.scrolled { box-shadow: var(--shadow-md); background: rgba(255, 255, 255, 0.92); }
.nav__inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0.75rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo { height: 42px; width: auto; transition: transform 0.2s; }
.nav__logo:hover { transform: scale(1.02); }
.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links a {
  font-size: 0.92rem; font-weight: 500; color: var(--text-muted);
  transition: color 0.2s ease; position: relative;
}
.nav__links a:hover { color: var(--gold-dark); }
.nav__links a:not(.nav__order)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 1.5px;
  background: var(--gold-primary); transition: width 0.25s ease;
}
.nav__links a:not(.nav__order):hover::after { width: 100%; }
.nav__order {
  background: var(--navy-main); color: #FFFFFF !important;
  padding: 0.55rem 1.3rem; border-radius: var(--radius-pill);
  font-weight: 600; transition: all 0.25s ease !important;
}
.nav__order:hover { background: var(--gold-dark); transform: translateY(-1px); }
/* Burger Mobile */
.nav__burger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--navy-main); margin: 5px 0; transition: 0.3s; }

/* ---------- HERO SECTION ---------- */
.hero {
  position: relative; padding: 4.5rem 1.5rem 5rem; overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(30, 41, 59, 0.03) 0%, transparent 50%);
}
.hero__bg { display: none; }
.hero__inner {
  max-width: var(--max-width); margin: 0 auto; position: relative;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gold-dark); background: rgba(197, 160, 89, 0.12);
  padding: 0.45rem 1.1rem; border-radius: var(--radius-pill); margin-bottom: 1.5rem;
  border: 1px solid rgba(197, 160, 89, 0.2);
}
.hero__title {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(2.8rem, 5.5vw, 4.5rem); line-height: 1.05;
  color: var(--navy-dark); letter-spacing: -0.01em; margin-bottom: 0.8rem;
}
.hero__title-accent { color: var(--gold-primary); font-style: italic; font-weight: 600; }
.hero__subtitle {
  font-family: var(--font-serif); font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  color: var(--navy-light); font-style: italic; margin-bottom: 1.2rem; line-height: 1.3;
}
.hero__lead {
  font-size: 1.05rem; color: var(--text-muted); max-width: 520px; margin-bottom: 2rem;
}

/* Glass Countdown */
.countdown {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-md); padding: 1.2rem 1.4rem;
  max-width: 460px; box-shadow: var(--shadow-sm); margin-bottom: 2rem;
}
.countdown__label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold-dark); margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.4rem;
}
.countdown__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; }
.countdown__box {
  background: var(--navy-dark); color: #FFFFFF; border-radius: var(--radius-sm);
  text-align: center; padding: 0.7rem 0.2rem; border: 1px solid rgba(197, 160, 89, 0.2);
}
.countdown__box span {
  display: block; font-family: var(--font-serif); font-weight: 700; font-size: 1.8rem;
  line-height: 1; color: var(--gold-light);
}
.countdown__box small {
  font-size: 0.65rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-light);
}
.countdown__done { font-weight: 700; color: var(--wa-dark); text-align: center; font-size: 1.05rem; }

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Visuel Livre & Slider avec Lévitation 3D */
.hero__cover { position: relative; display: flex; flex-direction: column; align-items: center; gap: 1.3rem; }
.hero__cover-glow {
  position: absolute; top: 45%; left: 50%; transform: translate(-50%, -50%);
  width: 90%; height: 90%;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.28) 0%, transparent 70%);
  filter: blur(45px); z-index: 0; pointer-events: none;
}
.slider {
  position: relative; width: 100%; max-width: 440px; z-index: 1;
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: floatBook 6s ease-in-out infinite;
}
@keyframes floatBook {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.slider__track { display: flex; transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
.slider__slide { min-width: 100%; width: 100%; display: block; object-fit: cover; }
.slider__arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 40px; height: 40px; border: none; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, 0.88); color: var(--navy-dark); font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}
.slider__arrow:hover { background: #FFFFFF; transform: translateY(-50%) scale(1.08); color: var(--gold-dark); }
.slider__arrow--prev { left: 12px; }
.slider__arrow--next { right: 12px; }
.slider__dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 0.4rem; }
.slider__dots button {
  width: 8px; height: 8px; padding: 0; border: none; border-radius: 50%;
  background: rgba(255, 255, 255, 0.5); cursor: pointer; transition: all 0.2s;
}
.slider__dots button.active { background: var(--gold-primary); transform: scale(1.3); }
/* Bouton pause discret (conservé) */
.slider__pause {
  position: absolute; bottom: 10px; left: 10px; z-index: 3;
  width: 28px; height: 28px; border: none; border-radius: 50%; cursor: pointer;
  background: rgba(15, 23, 42, 0.4); color: #fff; font-size: 0.72rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.55; transition: opacity 0.2s, background 0.2s;
}
.slider__pause:hover { opacity: 1; background: rgba(15, 23, 42, 0.7); }
/* Bouton commande sous le slider (conservé, aligné sur le visuel) */
.hero__order-btn { width: 100%; max-width: 440px; font-size: 1.02rem; z-index: 1; }

/* ---------- STRIP DE RÉASSURANCE ---------- */
.strip {
  background: var(--navy-dark);
  color: #FFFFFF;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(197, 160, 89, 0.2);
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
}
.strip__item {
  padding: 1.8rem 1.5rem; display: flex; align-items: center; gap: 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08); transition: background 0.2s;
}
.strip__item:hover { background: rgba(255, 255, 255, 0.03); }
.strip__item:last-child { border-right: none; }
.strip__icon {
  width: 38px; height: 38px; flex-shrink: 0; color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
}
.strip__icon svg { width: 32px; height: 32px; }
.strip__item strong { display: block; font-size: 0.95rem; font-weight: 600; color: #FFFFFF; }
.strip__item small { font-size: 0.8rem; color: var(--text-light); }

/* ---------- TITRES DE SECTION ---------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3.5rem; padding: 0 1rem; }
.section-head__kicker {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold-dark); display: block; margin-bottom: 0.5rem;
}
.section-head__title {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(2.1rem, 3.8vw, 3rem); color: var(--navy-dark); line-height: 1.15;
}
.section-head__sub { margin-top: 0.8rem; color: var(--text-muted); font-size: 1.05rem; }
.section-head--light .section-head__title { color: #FFFFFF; }
.section-head--light .section-head__sub { color: var(--text-light); }
.section-head--light .section-head__kicker { color: var(--gold-light); }

/* ---------- SECTION LE LIVRE ---------- */
.book { max-width: var(--max-width); margin: 0 auto; padding: 6rem 1.5rem; }
.book__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4rem; align-items: center; }
.book__visual img { border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.book__content p { margin-bottom: 1.2rem; color: var(--text-muted); text-align: justify; text-justify: inter-word; hyphens: auto; }
.book__quote {
  font-family: var(--font-serif); font-style: italic; font-size: 1.4rem; line-height: 1.4;
  color: var(--navy-dark); border-left: 3px solid var(--gold-primary);
  padding-left: 1.5rem; margin: 2rem 0;
}
.book__meta {
  list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem 2rem;
  margin: 2rem 0 2.5rem; padding: 1.2rem 1.5rem; background: var(--bg-card);
  border-radius: var(--radius-md); border: 1px solid var(--line-subtle);
}
.book__meta li { font-size: 0.9rem; color: var(--text-muted); }
.book__meta strong { display: block; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-dark); }

/* ---------- SECTION VIDÉOS ---------- */
.videos { background: var(--navy-dark); padding: 6rem 1.5rem; }
.videos__grid { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.video-card {
  background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(197, 160, 89, 0.2);
  border-radius: var(--radius-md); padding: 1rem; transition: transform 0.3s ease, border-color 0.3s ease;
}
.video-card:hover { transform: translateY(-4px); border-color: var(--gold-primary); }
.video-card video { width: 100%; border-radius: var(--radius-sm); aspect-ratio: 16/9; background: #000; object-fit: cover; }
.video-card figcaption {
  color: #FFFFFF; font-family: var(--font-serif); font-style: italic;
  font-size: 1.1rem; text-align: center; margin-top: 1rem;
}

/* ---------- SECTION AUTEUR ---------- */
.author { max-width: var(--max-width); margin: 0 auto; padding: 6rem 1.5rem; }
.author__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4rem; align-items: center; }
.author__photo img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.author__bio .section-head__title { text-align: left; margin-bottom: 1.5rem; }
.author__bio p { color: var(--text-muted); margin-bottom: 1.2rem; text-align: justify; text-justify: inter-word; hyphens: auto; }

/* ---------- SECTION COMMANDER (CHECKOUT) ---------- */
.order { background: linear-gradient(180deg, var(--navy-dark) 0%, #0B1120 100%); padding: 6rem 1.5rem; color: #FFFFFF; }
.order__grid { max-width: 1060px; margin: 0 auto; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 3rem; align-items: start; }
.order__summary {
  background: var(--bg-card); color: var(--text-main);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line-subtle); position: sticky; top: 100px;
}
.order__summary > img { width: 100%; height: 220px; object-fit: cover; object-position: center 30%; }
.order__summary-body { padding: 1.8rem; }
.order__summary-body h3 { font-family: var(--font-serif); font-size: 1.6rem; color: var(--navy-dark); line-height: 1.2; }
.order__summary-author { font-size: 0.85rem; color: var(--text-muted); margin: 0.4rem 0 1.2rem; }
.order__price { font-size: 1.6rem; font-weight: 700; color: var(--gold-dark); }
.order__price small { font-size: 0.85rem; font-weight: 400; color: var(--text-muted); }
.order__perks { list-style: none; margin-top: 1.4rem; display: grid; gap: 0.6rem; border-top: 1px solid var(--line-light); padding-top: 1.2rem; }
.order__perks li { font-size: 0.88rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.5rem; }
.order__perks li svg { width: 16px; height: 16px; color: var(--gold-primary); flex-shrink: 0; }
.order__form {
  background: var(--bg-card); color: var(--text-main);
  border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line-subtle);
}
.form-row { margin-bottom: 1.2rem; }
.form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.order__form label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--navy-dark); margin-bottom: 0.4rem; }
.order__form label span { color: #E11D48; }
.order__form input, .order__form textarea {
  width: 100%; padding: 0.85rem 1rem; border: 1.5px solid var(--line-light);
  border-radius: var(--radius-sm); font-family: var(--font-sans); font-size: 0.95rem;
  background: #FAFAFA; transition: all 0.2s ease;
}
.order__form input:focus, .order__form textarea:focus {
  outline: none; border-color: var(--gold-primary); background: #FFFFFF;
  box-shadow: 0 0 0 4px var(--gold-glow);
}
.order__form input.invalid, .order__form textarea.invalid { border-color: #E11D48; box-shadow: 0 0 0 4px rgba(225,29,72,.12); }
.order__total {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 1.4rem; background: var(--bg-soft); border-radius: var(--radius-sm);
  margin: 1.5rem 0; border: 1px solid var(--line-subtle);
}
.order__total span { font-weight: 600; color: var(--navy-dark); }
.order__total strong { font-family: var(--font-serif); font-size: 1.6rem; color: var(--gold-dark); }
.order__form-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 1rem; text-align: center; }
.order__feedback { margin-top: 1.2rem; padding: 1rem 1.2rem; border-radius: var(--radius-sm); font-size: 0.92rem; line-height: 1.5; }
.order__feedback--success { background: #F0FDF4; border: 1px solid #BBF7D0; color: #166534; }
.order__feedback--error { background: #FEF2F2; border: 1px solid #FECACA; color: #991B1B; }
.order__feedback a { text-decoration: underline; font-weight: 600; }

/* ---------- DU MÊME AUTEUR (empilement vertical) ---------- */
.others { max-width: 900px; margin: 0 auto; padding: 6rem 1.5rem; }
.others__stack { display: flex; flex-direction: column; gap: 2.5rem; }
.other-book {
  background: var(--bg-card); border: 1px solid var(--line-subtle);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all 0.3s ease;
}
.other-book:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold-primary); }
.other-book img {
  width: 100%; height: auto; display: block;
  border-bottom: 1px solid var(--line-subtle); background: #fff;
}
.other-book__body { padding: 1.6rem 1.8rem 1.8rem; text-align: center; }
.other-book__body h3 { font-family: var(--font-serif); font-size: 1.6rem; color: var(--navy-dark); margin-bottom: 0.2rem; }
.other-book__sub { font-family: var(--font-serif); font-style: italic; font-size: 1.05rem; color: var(--gold-dark); margin-bottom: 0.8rem; }
.other-book__body p { font-size: 0.92rem; color: var(--text-muted); max-width: 620px; margin: 0 auto 1rem; }
.other-card__soon {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gold-dark); background: rgba(197, 160, 89, 0.12);
  padding: 0.35rem 1rem; border-radius: var(--radius-pill);
}

/* ---------- FOOTER ---------- */
.footer { background: #070C18; color: #94A3B8; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.footer__inner {
  max-width: var(--max-width); margin: 0 auto; padding: 4rem 1.5rem 2.5rem;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 3rem;
}
.footer__logo { height: 64px; width: auto; margin-bottom: 1.2rem; background: #FFFFFF; padding: 8px 14px; border-radius: var(--radius-sm); box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.footer__brand p { font-size: 0.9rem; color: #64748B; max-width: 320px; }
.footer__col h4 { color: #FFFFFF; font-size: 0.95rem; margin-bottom: 1.2rem; font-weight: 600; }
.footer__col a, .footer__col span { display: block; font-size: 0.9rem; color: #94A3B8; margin-bottom: 0.6rem; transition: color 0.2s; }
.footer__col a:hover { color: var(--gold-light); }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 1.5rem;
  max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem; font-size: 0.82rem; color: #64748B;
}

/* ---------- WHATSAPP FLOATING BUTTON ---------- */
.wa-float {
  position: fixed; bottom: 25px; right: 25px; z-index: 99;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--wa-brand), var(--wa-dark));
  color: #FFFFFF; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4); transition: transform 0.25s ease;
  animation: floatBob 3s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; fill: currentColor; }
@keyframes floatBob { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-6px);} }

/* ---------- REVEAL ANIMATION ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 992px) {
  .hero__inner, .book__grid, .author__grid, .order__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__inner { text-align: center; }
  .hero__lead, .countdown, .hero__actions { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__cover { order: -1; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .strip__item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
  .videos__grid { grid-template-columns: 1fr; }
  .book__visual { max-width: 340px; margin: 0 auto; }
  .footer__inner { grid-template-columns: 1fr; }
  .order__summary { position: static; }
  .author__bio .section-head__title { text-align: center; }
}

@media (max-width: 768px) {
  .form-row--2 { grid-template-columns: 1fr; }
  .book__meta { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
  /* Menu mobile coulissant (conservé) */
  .nav__links {
    position: fixed; top: 0; right: 0; height: 100vh; width: 74%; max-width: 300px;
    background: var(--bg-card); flex-direction: column; align-items: flex-start; gap: 1.4rem;
    padding: 5rem 2rem; box-shadow: -10px 0 40px rgba(0,0,0,.15);
    transform: translateX(100%); transition: transform .3s ease;
  }
  .nav__links.open { transform: translateX(0); }
  .nav__burger { display: block; z-index: 110; }
  .nav.menu-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.menu-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.menu-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .strip { grid-template-columns: 1fr; }
  .topbar { font-size: 0.78rem; }
  .order__form { padding: 1.6rem; }
}