/* style.css — design tokens + composants
   Redesign visuel — palette teal #1a7896 / cuivré #c05430 / crèmes chauds.
   ChangeLog (par section) :
   - Tokens : palette refondue (teal primaire, cuivré accent, crèmes chauds)
              + nouveau token --color-accent (cuivré) utilisé pour CTA et highlights
              + ombres adoucies (oklch alpha plus basse, plus diffuses)
              + typo : tailles fluides légèrement augmentées pour la display
              + nouveau --space-section pour rythme cohérent entre sections
   - Header : logo plus généreux, séparateur micro-cuivré sous le header au scroll
   - Boutons : btn-primary devient cuivré (CTA), btn-secondary reste teal outline
              + hover plus marqué (élévation, halo)
   - Hero : scrim repensé (vertical-left → soft), eyebrow avec dot cuivré,
            titre plus gros, em en cuivré clair, lead plus lisible
   - Cards : padding plus aéré, ombres très douces, hover subtil (lift + halo cuivré)
   - .proof-section : refonte complète en bandeau teal foncé avec
                      gros indicateurs cuivrés (style "pull-quote scientifique")
   - .steps : numéros plus typographiques (Zodiak grand), connecteur vertical
              cuivré pointillé, hover subtle
   - .zone-section : conserve la version teal mais plus sobre
   - Footer : grille 4 colonnes, hiérarchie typographique, accent cuivré sur tagline
   - Espacement : section-padding rebalancé
   ============================================================ */

/* ============================================================
   DESIGN TOKENS
   ============================================================ */

:root, [data-theme="light"] {
  /* Surfaces — menthe-crème palú, extraite directement du fond du logo */
  --color-bg:               #eef3ee;
  --color-surface:          #f6f9f6;
  --color-surface-2:        #ffffff;
  --color-surface-offset:   #e0e8e0;
  --color-surface-offset-2: #d0dad0;
  --color-surface-dynamic:  #becabe;
  --color-divider:          #cbd5cb;
  --color-border:           #b8c4b8;

  /* Texte — ardoise profonde légèrement bleutée */
  --color-text:             #1a232a;
  --color-text-muted:       #556069;
  --color-text-faint:       #98a3ac;
  --color-text-inverse:     #f6f9f6;

  /* Accent principal — Bleu-ardoise du logo (entre bleu et teal) */
  --color-primary:          #2e5d76;
  --color-primary-hover:    #244c61;
  --color-primary-active:   #1c3d4f;
  --color-primary-soft:     #cfdee5;
  --color-primary-highlight:#dee9ee;

  /* Accent secondaire — Cuivre du logo, plus chaleureux */
  --color-accent:           #b86b3a;
  --color-accent-hover:     #a05a2c;
  --color-accent-active:    #864a23;
  --color-accent-soft:      #efd4be;
  --color-accent-highlight: #f6e3d0;

  /* États */
  --color-success:          #2e5d76;
  --color-error:            #9c3d3d;
  --color-warning:          #b86b3a;

  /* Radii */
  --radius-sm:   0.375rem;
  --radius-md:   0.625rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 240ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Ombres — beaucoup plus douces, légère teinte chaude */
  --shadow-xs: 0 1px 2px oklch(0.25 0.04 50 / 0.05);
  --shadow-sm: 0 2px 6px oklch(0.25 0.04 50 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.25 0.04 50 / 0.08);
  --shadow-lg: 0 18px 50px oklch(0.25 0.04 50 / 0.10);
  --shadow-cta: 0 6px 16px oklch(0.55 0.15 35 / 0.25);

  /* Largeurs de contenu */
  --content-narrow:  640px;
  --content-default: 1040px;
  --content-wide:    1240px;

  /* Type scale fluide — légèrement plus grande sur display */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2.25rem,  1.4rem  + 2.8vw,  4rem);
  --text-3xl:  clamp(2.75rem,  1.2rem  + 4.5vw,  5.5rem);

  /* Espacement */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Rythme entre sections — un cran plus aéré qu'avant */
  --space-section: clamp(var(--space-16), 9vw, var(--space-32));

  /* Typographie */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body:    'Work Sans', 'Helvetica Neue', sans-serif;
}

/* DARK MODE — bleu-ardoise clair sur fond profond, cuivre adouci */
[data-theme="dark"] {
  --color-bg:               #131618;
  --color-surface:          #1a1d20;
  --color-surface-2:        #20242a;
  --color-surface-offset:   #171a1c;
  --color-surface-offset-2: #1c1f23;
  --color-surface-dynamic:  #262a2f;
  --color-divider:          #272b2f;
  --color-border:           #353a40;
  --color-text:             #e4e8eb;
  --color-text-muted:       #8a939b;
  --color-text-faint:       #565d65;
  --color-text-inverse:     #1a1d20;
  --color-primary:          #7eb3c8;
  --color-primary-hover:    #95c2d3;
  --color-primary-active:   #5e98ad;
  --color-primary-soft:     #1f3a48;
  --color-primary-highlight:#1c3340;
  --color-accent:           #d18860;
  --color-accent-hover:     #e09f7a;
  --color-accent-active:    #b56e47;
  --color-accent-soft:      #3a2418;
  --color-accent-highlight: #2e1c12;
  --shadow-xs: 0 1px 2px oklch(0 0 0 / 0.30);
  --shadow-sm: 0 2px 6px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 18px 50px oklch(0 0 0 / 0.55);
  --shadow-cta: 0 6px 16px oklch(0.55 0.15 35 / 0.40);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #131618;
    --color-surface:          #1a1d20;
    --color-surface-2:        #20242a;
    --color-surface-offset:   #171a1c;
    --color-surface-offset-2: #1c1f23;
    --color-surface-dynamic:  #262a2f;
    --color-divider:          #272b2f;
    --color-border:           #353a40;
    --color-text:             #e4e8eb;
    --color-text-muted:       #8a939b;
    --color-text-faint:       #565d65;
    --color-text-inverse:     #1a1d20;
    --color-primary:          #7eb3c8;
    --color-primary-hover:    #95c2d3;
    --color-primary-active:   #5e98ad;
    --color-primary-soft:     #1f3a48;
    --color-primary-highlight:#1c3340;
    --color-accent:           #d18860;
    --color-accent-hover:     #e09f7a;
    --color-accent-active:    #b56e47;
    --color-accent-soft:      #3a2418;
    --color-accent-highlight: #2e1c12;
  }
}

/* ============================================================
   LAYOUT GLOBAL
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

.container--wide   { max-width: var(--content-wide); }
.container--narrow { max-width: var(--content-narrow); }

/* Rythme entre sections rebalancé : un peu plus respirant que l'original */
section {
  padding-block: var(--space-section);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-interactive),
              border-color var(--transition-interactive),
              background var(--transition-interactive);
}

.site-header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-xs);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: clamp(3.75rem, 6vw, 4.75rem);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-logo__mark { color: var(--color-primary); flex-shrink: 0; }

.site-logo__text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.site-logo__text span {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-md);
  white-space: nowrap;
  position: relative;
}
.site-nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.site-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.burger-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
  margin: auto;
}
.burger-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  display: block;
  padding: var(--space-3) clamp(var(--space-5), 5vw, var(--space-12));
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-menu a:hover, .mobile-menu a.active {
  color: var(--color-primary);
  background: var(--color-surface-offset);
}
.mobile-menu .btn-primary {
  margin: var(--space-5) clamp(var(--space-5), 5vw, var(--space-12)) 0;
  text-align: center;
}

@media (max-width: 880px) {
  .site-nav { display: none; }
  .burger-btn { display: flex; }
  .header-cta { display: none; }
  .theme-toggle { flex-shrink: 0; }
}

/* ============================================================
   BOUTONS — primary devient CUIVRÉ (CTA punchy), secondary reste teal
   ============================================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--color-accent);
  color: #fffbf3;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-cta);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px oklch(0.55 0.15 35 / 0.32);
}
.btn-primary:active {
  background: var(--color-accent-active);
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: calc(var(--space-4) - 1.5px) calc(var(--space-6) - 1.5px);
  background: transparent;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary);
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* Header CTA un peu plus compact */
.header-cta { padding: var(--space-3) var(--space-5); }

/* ============================================================
   HERO — hiérarchie renforcée, scrim plus structuré
   ============================================================ */

.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-text);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Scrim repensé : plus marqué côté gauche, gradient diagonal + voile teal subtil */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg,
      oklch(0.20 0.03 230 / 0.78) 0%,
      oklch(0.22 0.04 230 / 0.62) 35%,
      oklch(0.22 0.04 230 / 0.30) 65%,
      transparent 100%
    ),
    linear-gradient(180deg,
      transparent 60%,
      oklch(0.18 0.03 230 / 0.45) 100%
    );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  max-width: 760px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-3);
  background: oklch(1 0 0 / 0.12);
  border: 1px solid oklch(1 0 0 / 0.18);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fffbf3;
  margin-bottom: var(--space-6);
}
/* Dot cuivré pour rappeler la palette d'accent */
.hero__eyebrow svg { color: var(--color-accent); }
.hero__eyebrow svg circle:last-child { fill: var(--color-accent); }
.hero__eyebrow svg circle:first-child { stroke: oklch(1 0 0 / 0.6); }

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: #fffbf3;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  max-width: 18ch;
  text-wrap: balance;
}
.hero__title em {
  font-style: italic;
  color: oklch(0.82 0.10 50); /* cuivré clair lisible */
  font-weight: 500;
}

.hero__lead {
  font-size: clamp(1.0625rem, 0.95rem + 0.55vw, 1.25rem);
  color: oklch(0.95 0.01 80);
  max-width: 56ch;
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__ctas .btn-secondary {
  border-color: oklch(1 0 0 / 0.55);
  color: #fffbf3;
  background: oklch(1 0 0 / 0.05);
  backdrop-filter: blur(6px);
}
.hero__ctas .btn-secondary:hover {
  background: oklch(1 0 0 / 0.18);
  border-color: oklch(1 0 0 / 0.85);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.section-label::before {
  content: '';
  width: 1.75rem;
  height: 1.5px;
  background: var(--color-accent);
  border-radius: 1px;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-5);
  max-width: 26ch;
  text-wrap: balance;
}

.section-lead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

/* Grilles */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-6);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
  gap: var(--space-10);
  align-items: center;
}

/* ============================================================
   CARDS — plus aérées, hover plus subtil et cohérent
   ============================================================ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 2.5vw, var(--space-10));
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
  position: relative;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-accent) l c h / 0.35);
}

.card__icon {
  width: 2.75rem;
  height: 2.75rem;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  flex-shrink: 0;
  transition: background var(--transition-interactive),
              color var(--transition-interactive);
}
.card:hover .card__icon {
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.card__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================================
   PROOF SECTION — refonte : bandeau teal foncé avec stats cuivrées
   Le contenu existant est composé de paires <strong>label</strong> — texte.
   On laisse le markup intact, on stylise visuellement plus fort.
   ============================================================ */

.proof-section {
  background: var(--color-primary-active);
  background:
    radial-gradient(ellipse at 0% 0%, oklch(0.32 0.06 230) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 100%, oklch(0.24 0.05 230) 0%, transparent 55%),
    var(--color-primary-active);
  border-block: none;
  color: oklch(0.96 0.01 80);
  position: relative;
  overflow: hidden;
}

.proof-section .section-label {
  color: oklch(0.82 0.10 50);
}
.proof-section .section-label::before {
  background: oklch(0.82 0.10 50);
}
.proof-section .section-title {
  color: #fffbf3;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: oklch(1 0 0 / 0.04);
  border: 1px solid oklch(1 0 0 / 0.10);
  border-radius: var(--radius-lg);
  border-top: 2px solid var(--color-accent);
  position: relative;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.proof-item:hover {
  background: oklch(1 0 0 / 0.07);
  transform: translateY(-2px);
}

/* Le dot devient un mini badge cuivré avec icône d'accent */
.proof-item__dot {
  width: 0.625rem;
  height: 0.625rem;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  margin-top: 0;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px oklch(from var(--color-accent) l c h / 0.18);
}

.proof-item p {
  font-size: var(--text-base);
  color: oklch(0.92 0.01 80);
  line-height: 1.65;
  max-width: none;
}

/* Le label en strong devient grand, en display, cuivré */
.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: oklch(0.88 0.10 50);
  margin-bottom: var(--space-2);
}

/* ============================================================
   ZONE INTERVENTION — bandeau teal sobre
   ============================================================ */

.zone-section {
  background: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
}
.zone-section .section-label { color: oklch(0.92 0.04 230); }
.zone-section .section-label::before { background: oklch(0.92 0.04 230); }
.zone-section .section-title { color: var(--color-text-inverse); }
.zone-section .section-lead { color: oklch(0.93 0.02 230); }

.zone-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.zone-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: oklch(1 0 0 / 0.10);
  border: 1px solid oklch(1 0 0 / 0.22);
  color: #fffbf3;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.zone-tag svg { color: oklch(0.85 0.10 50); }

/* ============================================================
   FAQ
   ============================================================ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.faq-item:hover { border-color: var(--color-primary-soft); }
.faq-item.is-open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-5) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  background: transparent;
  border: none;
  line-height: 1.4;
}
.faq-question:hover { background: var(--color-surface-offset); }
.faq-question svg {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item.is-open .faq-question { color: var(--color-primary); }
.faq-item.is-open .faq-question svg {
  transform: rotate(45deg);
  color: var(--color-accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item.is-open .faq-answer { max-height: 600px; }
.faq-answer__inner {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ============================================================
   FORMULAIRE
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
  outline: none;
}
.form-group textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.65;
}
.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.5;
}
.form-success {
  display: none;
  padding: var(--space-5);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-primary-active);
  font-size: var(--text-base);
  line-height: 1.6;
}
.form-success.is-visible { display: block; }

/* ============================================================
   PAGE INTÉRIEURE — HERO SOBRE
   ============================================================ */

.page-hero {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
  background:
    linear-gradient(180deg, var(--color-surface-offset) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
/* Filet d'accent cuivré subtil en haut */
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-accent) 30%,
    var(--color-primary) 70%,
    transparent 100%);
  opacity: 0.45;
}

.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.page-hero__eyebrow::before {
  content: '';
  width: 1.75rem;
  height: 1.5px;
  background: var(--color-accent);
  border-radius: 1px;
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  max-width: 22ch;
  text-wrap: balance;
}
.page-hero__lead {
  font-size: clamp(1.0625rem, 0.95rem + 0.5vw, 1.1875rem);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.75;
}

/* ============================================================
   STEPS — refonte : numéros plus typographiques + connecteur vertical
   ============================================================ */

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  counter-reset: step;
  position: relative;
}

.step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-6);
  align-items: flex-start;
  counter-increment: step;
  position: relative;
}

/* Connecteur vertical pointillé entre les steps */
.step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: 4rem;
  bottom: calc(-1 * var(--space-8));
  width: 0;
  border-left: 2px dashed var(--color-border);
  z-index: 0;
}

.step__number {
  width: 4rem;
  height: 4rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary-soft);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-primary);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-bg), var(--shadow-xs);
  transition: all var(--transition-interactive);
}

.step:hover .step__number {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: scale(1.04);
}

.step__body h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
  padding-top: var(--space-3);
}

.step__body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ============================================================
   BLOG / RESSOURCES
   ============================================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-6);
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-accent) l c h / 0.35);
}
.blog-card__img {
  aspect-ratio: 16/9;
  background: var(--color-surface-offset);
  overflow: hidden;
}
.blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.blog-card:hover .blog-card__img img { transform: scale(1.04); }
.blog-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: var(--space-3);
}
.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-4);
}
.blog-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.blog-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  background: var(--color-surface-offset);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  gap: var(--space-4);
  color: var(--color-text-muted);
}
.blog-placeholder svg { color: var(--color-primary); opacity: 0.6; }
.blog-placeholder h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}

/* ============================================================
   FOOTER — refonte : structure plus claire, accent cuivré, hiérarchie
   ============================================================ */

.site-footer {
  background:
    linear-gradient(180deg, var(--color-surface-offset) 0%, var(--color-surface-offset-2) 100%);
  border-top: 1px solid var(--color-border);
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
  position: relative;
}
/* Filet d'accent cuivré en tête du footer */
.site-footer::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-accent) 25%,
    var(--color-primary) 75%,
    transparent 100%);
  opacity: 0.55;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand .site-logo { margin-bottom: var(--space-4); }

.footer-brand__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 32ch;
}

/* Petit bloc de contact accentué dans le footer */
.footer-brand::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  margin-top: var(--space-5);
  opacity: 0.7;
}

.footer-nav h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.footer-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive),
              padding-left var(--transition-interactive);
}
.footer-nav a:hover {
  color: var(--color-accent);
  padding-left: var(--space-1);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.footer-bottom p,
.footer-bottom a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.footer-bottom a:hover { color: var(--color-accent); }

/* ============================================================
   UTILITAIRES
   ============================================================ */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

.surface-alt {
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-border);
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-8);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE FINE-TUNING
   ============================================================ */

@media (max-width: 480px) {
  .hero { min-height: 78vh; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn-primary,
  .hero__ctas .btn-secondary { width: 100%; justify-content: center; }
  .step { grid-template-columns: 3rem 1fr; gap: var(--space-4); }
  .step__number { width: 3rem; height: 3rem; font-size: 1.25rem; }
  .step:not(:last-child)::before { left: 1.5rem; }
}

/* ============================================================
   À PROPOS — section portrait + bio
   - portrait en N&B avec cadre crème + filet cuivré
   - mise en page asymétrique : portrait à gauche, bio à droite
   - liste de credentials en deux colonnes label/valeur
   ============================================================ */

.about-section {
  position: relative;
}

.about-grid {
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.about-portrait {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  max-width: 440px;
  width: 100%;
  background: var(--color-surface);
}
.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.95) contrast(1.02);
  transition: filter var(--transition-interactive),
              transform var(--transition-interactive);
}
.about-portrait:hover img {
  filter: saturate(1) contrast(1.05);
  transform: scale(1.015);
}
/* Filet d'accent cuivré en bas du portrait */
.about-portrait::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
  opacity: 0.85;
}

.about-body .section-title {
  margin-bottom: var(--space-4);
}

.about-credentials {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}
.about-credentials li {
  display: grid;
  grid-template-columns: minmax(7rem, 9rem) 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.about-credentials__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.about-credentials__value {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
}

@media (max-width: 720px) {
  .about-grid {
    gap: var(--space-8);
  }
  .about-portrait {
    max-width: 320px;
    margin-inline: auto;
  }
  .about-credentials li {
    grid-template-columns: 1fr;
    gap: var(--space-1);
    padding: var(--space-3) 0;
  }
}