/* =========================================================================
   Health & Balance Studio — feuille de style
   HTML/CSS/JS natifs, sans framework ni build. Mobile-first.
   ========================================================================= */

/* ---- Variables (design system CLAUDE.md) -------------------------------- */
:root {
  --charbon: #1A1A1A;       /* texte fort, titres */
  --blanc: #FAF9F7;         /* fond principal */
  --gris: #6B6B6B;          /* texte secondaire */
  --sauge: #7C8A7A;         /* accent (parcimonie) */
  --sauge-clair: #EEF0ED;   /* fonds de section */
  --border: #E6E5E1;        /* filets fins */
  --border-2: #E2E1DC;
  --border-3: #D8D7D2;
  --gris-clair: #C9C8C3;

  /* Sur fond sombre */
  --clair: #FAF9F7;
  --gris-sombre: #B9B8B4;
  --gris-sombre-2: #9A9995;
  --accent-sombre: #9BAA99;

  --maxw: 1240px;
  --gutter: clamp(24px, 5vw, 64px);

  /* Placeholder photo (hachures) */
  --placeholder: repeating-linear-gradient(135deg,
    #EEF0ED, #EEF0ED 11px, #E6E8E4 11px, #E6E8E4 22px);
}

/* ---- Reset léger ------------------------------------------------------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;               /* jamais en dessous de 400 (a11y) */
  color: var(--charbon);
  background: var(--blanc);
  overflow-x: hidden;             /* aucun scroll horizontal */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--sauge); color: var(--blanc); }

img { max-width: 100%; display: block; }

input, textarea, button { font-family: inherit; font-size: inherit; }

a { color: inherit; }

/* Accessibilité : focus visible au clavier */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--sauge);
  outline-offset: 3px;
}

/* ---- Typographie ------------------------------------------------------- */
.serif { font-family: 'Cormorant Garamond', Georgia, serif; }

h1, h2, h3, blockquote {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
}

/* Surtitres / eyebrows — léger letter-spacing, pas d'uppercase forcé */
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--sauge);
  margin-bottom: 26px;
}

/* ---- Layout ------------------------------------------------------------ */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section { padding-top: clamp(60px, 9vw, 130px); padding-bottom: clamp(60px, 9vw, 130px); }

/* ---- Boutons ----------------------------------------------------------- */
.btn {
  display: inline-block;
  background: var(--charbon);
  color: var(--blanc);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  padding: 17px 38px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.btn:hover,
.btn:focus-visible { background: var(--sauge); }

.link-underline {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--charbon);
  text-decoration: none;
  border-bottom: 1px solid var(--gris-clair);
  padding-bottom: 3px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.link-underline:hover,
.link-underline:focus-visible { color: var(--sauge); border-color: var(--sauge); }

/* ---- Placeholder photo ------------------------------------------------- */
.placeholder {
  background: var(--placeholder);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 22px;
}
.placeholder span {
  font-family: ui-monospace, 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--gris);
  background: var(--blanc);
  padding: 6px 12px;
}

/* ---- Photos ------------------------------------------------------------ */
.media-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  background: var(--sauge-clair);   /* teinte discrète pendant le chargement */
}
.hero-media .hero-img { aspect-ratio: 4 / 5; }
.about-media .about-img { aspect-ratio: 5 / 6; }
.tool .tool-img { aspect-ratio: 4 / 3; }

/* Bande photo sous les cartes de la méthode */
.method-photo { margin: clamp(36px, 5vw, 64px) 0 0; }
.method-photo img {
  width: 100%;
  aspect-ratio: 16 / 7;
  max-height: 520px;
  object-fit: cover;
  display: block;
  background: #DEE0DB;
}


/* =========================================================================
   NAVIGATION
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--charbon);
}
.monogram {
  width: 42px; height: 42px;
  display: block;
  flex: none;
}
.brand-name {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 21px; font-weight: 500; letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.nav-links a {
  text-decoration: none;
  color: var(--gris);
  padding: 12px 0;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--charbon); }
.nav-links a.is-contact {
  color: var(--charbon);
  border-bottom: 1px solid var(--sauge);
  padding-bottom: 2px;
}

/* Regroupe la partie droite de la nav (liens + langues + hamburger) */
.nav-right {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 32px);
}

/* Sélecteur de langue FR · EN · DE */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
}
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gris);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 12px 4px;
  min-height: 44px;              /* cible cliquable a11y */
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.lang-btn:hover { color: var(--charbon); }
.lang-btn.is-active {
  color: var(--charbon);
  border-bottom-color: var(--sauge);
}
.lang-sep {
  color: var(--border-3);
  font-size: 12px;
  user-select: none;
}

/* Bouton hamburger (caché en desktop) */
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--border-2);
  background: transparent;
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 50%;
  flex: none;
}
.nav-toggle span {
  display: block; width: 18px; height: 1.5px;
  background: var(--charbon);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
/* Croix quand ouvert */
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Menu déroulant mobile */
.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  padding: 8px var(--gutter) 20px;
  flex-direction: column;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  text-decoration: none;
  color: var(--gris);
  font-size: 14px;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  min-height: 50px;
  border-bottom: 1px solid #EFEEEA;
}
.mobile-menu a:last-child { border-bottom: none; color: var(--charbon); }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 9vw, 120px) var(--gutter) clamp(60px, 8vw, 110px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
}
.hero-text { flex: 1 1 420px; min-width: 300px; position: relative; }
.hero-circle {
  position: absolute;
  top: -60px; left: -90px;
  width: 280px; height: 280px;
  border: 1px solid var(--border-2);
  border-radius: 50%;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(44px, 6.4vw, 88px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}
.hero h1 .accent { font-style: italic; }
.hero p {
  margin-top: 18px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gris);
}
.hero p:first-of-type { margin-top: 32px; }
.hero-cta {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.hero-media { flex: 1 1 380px; min-width: 280px; }
.hero-media .placeholder { aspect-ratio: 4 / 5; width: 100%; }

/* =========================================================================
   BANDEAUX (réassurance + chiffres)
   ========================================================================= */
.reassurance {
  border-top: 1px solid var(--border);
  background: var(--sauge-clair);
}
.reassurance .container {
  padding-top: 18px; padding-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
  font-size: 13.5px;
  color: var(--gris);
  letter-spacing: 0.02em;
}
.reassurance-item { display: flex; align-items: center; gap: 10px; }
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sauge);
  flex: none;
}

.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats .container {
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(28px, 4vw, 48px);
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
}
.stat { flex: 1 1 200px; }
.stat-num { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 40px; font-weight: 400; line-height: 1.1; }
.stat-label { font-size: 13px; color: var(--gris); margin-top: 4px; letter-spacing: 0.04em; }

/* =========================================================================
   À PROPOS
   ========================================================================= */
.about {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(60px, 9vw, 130px) var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.about-media { flex: 1 1 360px; min-width: 280px; }
.about-media .placeholder { aspect-ratio: 5 / 6; width: 100%; }
.about-text { flex: 1 1 420px; min-width: 300px; }
.about h2 {
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.about p {
  margin-top: 22px;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--gris);
}
.about p:first-of-type { margin-top: 24px; }
.about p .strong { color: var(--charbon); }
blockquote.quote {
  margin-top: 36px;
  padding-left: 26px;
  border-left: 1px solid var(--sauge);
  font-style: italic;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.5;
  color: var(--charbon);
}

/* =========================================================================
   LA MÉTHODE
   ========================================================================= */
.method { background: var(--sauge-clair); }
.method-head { max-width: 720px; margin: 0 auto; text-align: center; }
.method-head h2 {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.method-grid {
  margin-top: clamp(44px, 6vw, 80px);
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: #DEE0DB;
  border: 1px solid #DEE0DB;
}
.method-card {
  flex: 1 1 260px;
  background: var(--sauge-clair);
  padding: clamp(32px, 4vw, 52px);
}
.badge {
  width: 38px; height: 38px;
  border: 1px solid var(--sauge);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 17px;
  color: var(--sauge);
}
.method-card h3 {
  font-weight: 500;
  font-size: 25px;
  margin-top: 26px;
}
.method-card p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gris);
}

/* =========================================================================
   LES OUTILS
   ========================================================================= */
.tools {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(60px, 9vw, 130px) var(--gutter);
}
.tools-head {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.tools-head .titles { max-width: 560px; }
.tools-head h2 {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.tools-head .intro {
  max-width: 340px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gris);
}
.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 3vw, 40px);
}
.tool {
  flex: 1 1 240px;
  min-width: 220px;
}
.tool .placeholder { aspect-ratio: 4 / 3; padding: 16px; }
.tool .placeholder span { font-size: 10px; padding: 5px 10px; }
.tool-num {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sauge);
  margin-top: 22px;
}
.tool h3 {
  font-weight: 500;
  font-size: 24px;
  margin-top: 8px;
}
.tool p {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gris);
}

/* =========================================================================
   TARIFS
   ========================================================================= */
.pricing { border-top: 1px solid var(--border); }
.pricing-head { max-width: 720px; margin: 0 auto; text-align: center; }
.pricing-head h2 {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.pricing-head .intro {
  margin: 22px auto 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--gris);
}
.pricing-list {
  margin: clamp(40px, 5vw, 72px) auto 0;
  max-width: 760px;
  border-top: 1px solid var(--border-2);
}
.price-item {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: baseline;
  justify-content: space-between;
  padding: 26px 4px;
  border-bottom: 1px solid var(--border-2);
}
.price-name .title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 24px;
  line-height: 1.2;
}
.price-name .detail {
  font-size: 14px;
  color: var(--gris);
  margin-top: 6px;
  line-height: 1.6;
}
.price-value {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 30px;
  line-height: 1.1;
  white-space: nowrap;
}
.price-value span {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  color: var(--gris);
  letter-spacing: 0.02em;
}

/* =========================================================================
   POUR QUI (fond sombre)
   ========================================================================= */
.audience { background: var(--charbon); color: var(--clair); }
.audience .container {
  padding-top: clamp(60px, 9vw, 130px);
  padding-bottom: clamp(60px, 9vw, 130px);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(40px, 6vw, 80px);
  align-items: stretch;
}

/* Colonne image (pleine hauteur de la section) */
.audience-media { flex: 1 1 380px; min-width: 280px; }
.audience-media .audience-img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
  object-position: center;
  display: block;
  background: #2C2C2C;
}

/* Colonne contenu : intro + profils */
.audience-content {
  flex: 1 1 440px;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.audience-intro .eyebrow { color: var(--accent-sombre); }
.audience-intro h2 {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}
.audience-intro p {
  margin-top: 24px;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gris-sombre);
}
.audience-list {
  margin-top: clamp(32px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: #2C2C2C;
  border: 1px solid #2C2C2C;
}
.audience-item {
  background: var(--charbon);
  padding: 22px 26px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  transition: background-color 0.2s ease;
}
.audience-item:hover { background: #212121; }
.audience-item .num {
  font-family: 'Cormorant Garamond', Georgia, serif;
  color: var(--sauge);
  font-size: 17px;
  flex: none;
}
.audience-item .title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 22px;
}
.audience-item .desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gris-sombre-2);
  margin-top: 4px;
}

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(60px, 9vw, 130px) var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(44px, 7vw, 100px);
}
.contact-info { flex: 1 1 360px; min-width: 290px; }
.contact-info h2 {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.contact-info .lead {
  margin-top: 26px;
  max-width: 420px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--gris);
}
.contact-details {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 15px;
}
.contact-row { display: flex; gap: 14px; align-items: center; }
.contact-row .icon {
  width: 32px; height: 32px;
  border: 1px solid var(--border-2);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--sauge);
  font-size: 13px;
  flex: none;
}
.contact-row span:not(.icon) { color: var(--gris); }
.contact-row a {
  color: var(--charbon);
  text-decoration: none;
  border-bottom: 1px solid var(--gris-clair);
  padding-bottom: 2px;
}
.socials { margin-top: 38px; display: flex; gap: 12px; }
.socials a {
  width: 44px; height: 44px;
  border: 1px solid var(--border-2);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--charbon);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.05em;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.socials a:hover,
.socials a:focus-visible { border-color: var(--sauge); color: var(--sauge); }

.contact-form-wrap { flex: 1 1 380px; min-width: 290px; }
.contact-form { display: flex; flex-direction: column; gap: 26px; }
.field { display: flex; flex-direction: column; gap: 10px; }
.field > span {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gris);
}
.field input,
.field textarea {
  border: none;
  border-bottom: 1px solid var(--border-3);
  background: transparent;
  padding: 12px 0;
  font-size: 16px;
  color: var(--charbon);
  transition: border-color 0.2s ease;
}
.field textarea { resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: #A6A6A6; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--charbon); }
.contact-form .btn { margin-top: 8px; padding: 18px; text-align: center; }

/* État « Message envoyé » */
.form-success {
  border: 1px solid var(--border-2);
  padding: clamp(40px, 5vw, 64px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: hbfade 0.5s ease both;
}
.form-success .check {
  width: 56px; height: 56px;
  border: 1px solid var(--sauge);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--sauge);
  font-size: 22px;
}
.form-success h3 { font-weight: 400; font-size: 30px; }
.form-success p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gris);
  max-width: 320px;
}
[hidden] { display: none !important; }

@keyframes hbfade {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer { border-top: 1px solid var(--border); }
.site-footer .container {
  padding-top: clamp(36px, 5vw, 56px);
  padding-bottom: clamp(36px, 5vw, 56px);
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand .monogram { width: 40px; height: 40px; }
.footer-brand .name { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 19px; }
.footer-copy { font-size: 13px; color: var(--gris-sombre-2); letter-spacing: 0.03em; }

/* =========================================================================
   RESPONSIVE — bascule menu à 768px
   ========================================================================= */
@media (max-width: 767px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  /* Sur mobile, le choix de langue vit dans le menu déroulant */
  .nav-right .lang-switch { display: none; }
}

/* Sélecteur de langue dans le menu mobile */
.mobile-menu .lang-switch {
  margin-top: 10px;
  padding-top: 14px;
  border-top: 1px solid #EFEEEA;
  gap: 4px;
}
.mobile-menu .lang-switch .lang-btn { padding: 12px 10px; }

@media (min-width: 768px) {
  .mobile-menu { display: none !important; }
}

/* Réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}