/* =========================================================
   bellefles.com - Global CSS
   Fichier : /public_html/style/global.css

   Base visuelle commune à tout le site :
   - fond global premium sombre
   - header fixe
   - navigation desktop/mobile
   - switch FR / EN
   - boutons premium
   - cartes modernes
   - footer cohérent
   - responsive global
   ========================================================= */


/* =========================================================
   1) Variables globales
   ========================================================= */
:root {
  /* Couleurs principales */
  --color-primary: #8b5cf6;
  --color-primary-strong: #7c3aed;
  --color-primary-soft: #a78bfa;
  --color-primary-glow: rgba(139, 92, 246, 0.35);

  /* Couleurs secondaires / accent */
  --color-accent: #c4b5fd;
  --color-accent-2: #e9d5ff;

  /* Fonds principaux */
  --color-bg: #0b0b12;
  --color-bg-elevated: #11111a;
  --color-bg-card: rgba(20, 20, 31, 0.88);
  --color-bg-card-strong: rgba(28, 28, 42, 0.96);
  --color-bg-header: rgba(11, 11, 18, 0.82);
  --color-bg-footer: #09090f;

  /* Nuances du background global */
  --color-bg-deep: #06070b;
  --color-bg-dark: #090a11;
  --color-bg-mid: #0c0e16;
  --color-bg-top: #10131d;

  /* Texte */
  --color-text: #f5f3ff;
  --color-text-soft: #cfc9de;
  --color-text-muted: #9e97b3;
  --color-text-dark: #171222;

  /* Bordures */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(139, 92, 246, 0.35);

  /* États */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* Halos subtils */
  --color-glow-purple-soft: rgba(139, 92, 246, 0.14);
  --color-glow-purple-strong: rgba(139, 92, 246, 0.22);
  --color-glow-blue-soft: rgba(59, 130, 246, 0.10);
  --color-glow-blue-strong: rgba(96, 165, 250, 0.14);

  /* Texture/grille */
  --color-grid: rgba(255, 255, 255, 0.028);
  --color-grid-strong: rgba(255, 255, 255, 0.04);

  /* Vignette douce */
  --color-vignette: rgba(0, 0, 0, 0.30);

  /* Ombres */
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.20);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.40);
  --shadow-purple: 0 0 0 1px rgba(139, 92, 246, 0.08), 0 16px 40px rgba(139, 92, 246, 0.18);

  /* Rayons */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  /* Layout */
  --container-width: 1200px;
  --container-padding: 24px;
  --section-spacing: 96px;
  --header-height: 84px;

  /* Typographie */
  --font-base: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
  --transition-slow: 0.4s ease;

  /* Effets */
  --backdrop-blur: blur(18px);

  /* Scroll */
  --scroll-offset: calc(var(--header-height) + 26px);
}


/* =========================================================
   2) Reset / base
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-offset);
  background-color: var(--color-bg-deep);
  color-scheme: dark;
}

body,
html {
  overflow-x: hidden;
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  padding-top: var(--header-height);
  font-family: var(--font-base);
  line-height: var(--line-height-base);
  color: var(--color-text);

  /* Background global premium */
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 12% 10%, var(--color-glow-purple-strong) 0%, transparent 26%),
    radial-gradient(circle at 88% 14%, var(--color-glow-blue-soft) 0%, transparent 24%),
    radial-gradient(circle at 50% 120%, rgba(139, 92, 246, 0.10) 0%, transparent 34%),
    linear-gradient(180deg, var(--color-bg-top) 0%, var(--color-bg-mid) 24%, var(--color-bg-dark) 62%, var(--color-bg-deep) 100%);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Texture discrète */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center center;
  mask-image: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.45) 35%,
    rgba(0, 0, 0, 0.18) 70%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.45) 35%,
    rgba(0, 0, 0, 0.18) 70%,
    transparent 100%
  );
}

/* Halos subtils */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 12%, rgba(139, 92, 246, 0.16) 0%, transparent 22%),
    radial-gradient(circle at 86% 10%, rgba(96, 165, 250, 0.10) 0%, transparent 20%),
    radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.018) 0%, transparent 26%),
    radial-gradient(circle at 50% 110%, rgba(139, 92, 246, 0.08) 0%, transparent 30%),
    radial-gradient(circle at 50% 50%, transparent 58%, var(--color-vignette) 100%);
  opacity: 1;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

blockquote,
figure {
  margin: 0;
}


/* =========================================================
   3) Sélection de texte + scrollbar
   ========================================================= */
::selection {
  color: #ffffff;
  background: rgba(139, 92, 246, 0.45);
}

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: #09090f;
}

::-webkit-scrollbar-thumb {
  border: 3px solid #09090f;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-strong));
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary-soft), var(--color-primary));
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) #09090f;
}


/* =========================================================
   4) Typographie globale
   ========================================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  font-weight: 700;
}

h1 {
  font-size: clamp(2.3rem, 4vw, 4.2rem);
}

h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

h4 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-text-soft);
}

small {
  color: var(--color-text-muted);
}

strong {
  color: var(--color-text);
  font-weight: 700;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition:
    color var(--transition-fast),
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

a:hover {
  color: #ffffff;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary-soft);
  outline-offset: 3px;
}


/* =========================================================
   5) Helpers / classes utilitaires
   ========================================================= */
.container {
  width: min(100% - (var(--container-padding) * 2), var(--container-width));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: var(--section-spacing) 0;
}

/* Halo très léger pour les sections */
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.035), transparent 42%);
  opacity: 1;
}

.section-sm {
  padding: 64px 0;
}

.section-lg {
  padding: 120px 0;
}

.section-title {
  margin-bottom: 18px;
}

.section-subtitle {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-text-soft);
  font-size: 1.05rem;
}

.text-center {
  text-align: center;
}

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

.surface {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.015)),
    rgba(16, 18, 28, 0.82);
  box-shadow: var(--shadow-sm);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
}

.hidden {
  display: none !important;
}

.btn-mobile-full {
  width: auto;
}


/* =========================================================
   6) Header global
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--color-bg-header);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: rgba(139, 92, 246, 0.14);
  background: rgba(10, 10, 16, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-height);
}


/* =========================================================
   7) Branding / logo
   ========================================================= */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand:hover {
  color: #ffffff;
  opacity: 0.96;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  object-fit: contain;
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.30);
}

.brand-text {
  font-size: 1.08rem;
  color: #ffffff;
  white-space: nowrap;
}


/* =========================================================
   8) Navigation globale desktop
   ========================================================= */
.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  font-weight: 600;
  font-size: 0.98rem;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.nav-link.active,
.nav-link[aria-current="page"] {
  color: #ffffff;
  border-color: rgba(139, 92, 246, 0.28);
  background: linear-gradient(
    180deg,
    rgba(139, 92, 246, 0.18) 0%,
    rgba(139, 92, 246, 0.10) 100%
  );
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

/* =========================================================
   8.1) Sous-menu navigation
   ========================================================= */
.nav-item {
  position: relative;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-parent {
  gap: 10px;
}

.nav-caret {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform var(--transition-fast);
  opacity: 0.9;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    rgba(14, 14, 22, 0.96);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast),
    visibility var(--transition-fast);
  z-index: 1005;
}

.nav-dropdown-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--color-text-soft);
  font-weight: 600;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.nav-dropdown-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.is-dropdown-open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-dropdown:hover .nav-caret,
.nav-dropdown:focus-within .nav-caret,
.nav-dropdown.is-dropdown-open .nav-caret {
  transform: rotate(225deg) translateY(1px);
}

@media (max-width: 900px) {
  .nav-item {
    width: 100%;
  }

  .nav-dropdown {
    display: block;
  }

  .nav-dropdown-parent {
    justify-content: space-between;
    width: 100%;
  }

  .nav-dropdown-menu {
    position: static;
    min-width: 0;
    margin-top: 8px;
    padding: 8px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;

    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .nav-dropdown.is-dropdown-open .nav-dropdown-menu {
    display: block;
  }

  .nav-dropdown-link {
    min-height: 42px;
    padding: 12px 14px;
    border-radius: 12px;
  }
}

/* =========================================================
   9) Actions header + bouton FR / EN
   ========================================================= */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-sm);
}

.lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-pill);
  color: transparent;
  font-size: 0;
  line-height: 0;
  text-indent: -9999px;
  background-color: rgba(255, 255, 255, 0.04);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 16px 16px;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.lang-link:hover {
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
  box-shadow:
    0 8px 24px rgba(139, 92, 246, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.10);
}

.lang-link[lang="fr"] {
  background-image: url("https://www.bellefles.com/images/icons/fr.png");
}

.lang-link[lang="en"] {
  background-image: url("https://www.bellefles.com/images/icons/en.png");
}

.lang-link.active,
.lang-link[aria-current="true"],
.lang-link[aria-current="page"] {
  display: none;
}


/* =========================================================
   10) Burger / navigation mobile
   ========================================================= */
.nav-toggle {
  display: none;
  position: relative;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

.nav-toggle:hover {
  border-color: rgba(139, 92, 246, 0.30);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  position: absolute;
  left: 13px;
  width: 22px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast),
    top var(--transition-fast);
}

.nav-toggle span:nth-child(1) {
  top: 17px;
}

.nav-toggle span:nth-child(2) {
  top: 24px;
}

.nav-toggle span:nth-child(3) {
  top: 31px;
}

.nav-toggle.is-active span:nth-child(1) {
  top: 24px;
  transform: rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  top: 24px;
  transform: rotate(-45deg);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: var(--container-padding);
    right: var(--container-padding);
    display: none;
    margin-left: 0;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    background: rgba(14, 14, 22, 0.95);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .nav-link {
    justify-content: flex-start;
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
  }
}


/* =========================================================
   11) Boutons globaux
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1;
  text-align: center;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
  box-shadow:
    0 14px 28px rgba(139, 92, 246, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.btn-primary:hover {
  box-shadow:
    0 18px 34px rgba(139, 92, 246, 0.36),
    0 0 0 6px rgba(139, 92, 246, 0.08);
}

.btn-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: rgba(139, 92, 246, 0.28);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.10), rgba(255, 255, 255, 0.04));
}

.btn-ghost {
  color: var(--color-accent);
  border-color: rgba(139, 92, 246, 0.22);
  background: rgba(139, 92, 246, 0.08);
}

.btn-ghost:hover {
  color: #ffffff;
  border-color: rgba(139, 92, 246, 0.36);
  background: rgba(139, 92, 246, 0.14);
}

.btn-sm {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.92rem;
}

.btn-lg {
  min-height: 56px;
  padding: 0 28px;
  font-size: 1rem;
}


/* =========================================================
   12) Sections générales
   ========================================================= */
.section-header {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 14px;
  border: 1px solid rgba(139, 92, 246, 0.20);
  border-radius: var(--radius-pill);
  background: rgba(139, 92, 246, 0.08);
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-panel {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.015)),
    rgba(16, 18, 28, 0.82);
  box-shadow: var(--shadow-sm);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
}


/* =========================================================
   13) Cartes globales
   ========================================================= */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card {
  position: relative;
  overflow: hidden;
  height: 100%;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.015)),
    rgba(16, 18, 28, 0.82);
  box-shadow: var(--shadow-sm);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}

.card::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -10%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.20), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.28);
  background:
    linear-gradient(180deg, rgba(139, 92, 246, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(22, 24, 36, 0.92);
  box-shadow: var(--shadow-purple);
}

.card:hover::before,
.card:focus-within::before {
  opacity: 1;
}

.card-title {
  margin-bottom: 12px;
  color: #ffffff;
  font-size: 1.2rem;
}

.card-text {
  margin-bottom: 0;
  color: var(--color-text-soft);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 700;
  color: var(--color-accent);
}

.card-link:hover {
  color: #ffffff;
}


/* =========================================================
   14) Champs / formulaires de base
   ========================================================= */
.form-group {
  margin-bottom: 18px;
}

.label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--color-text);
  font-weight: 600;
}

.input,
.textarea,
.select {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:hover,
.textarea:hover,
.select:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: rgba(139, 92, 246, 0.50);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.12);
  outline: none;
}


/* =========================================================
   15) Footer global
   ========================================================= */
.site-footer {
  position: relative;
  padding: 34px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(139, 92, 246, 0.04), transparent 50%),
    var(--color-bg-footer);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--color-text-soft);
  font-weight: 600;
}

.footer-link:hover {
  color: #ffffff;
}


/* =========================================================
   16) États globaux / hover / effets
   ========================================================= */
.glow {
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.14), 0 0 40px rgba(139, 92, 246, 0.18);
}

.border-gradient {
  position: relative;
  border: 1px solid transparent;
  background:
    linear-gradient(rgba(16, 18, 28, 0.82), rgba(16, 18, 28, 0.82)) padding-box,
    linear-gradient(135deg, rgba(139, 92, 246, 0.65), rgba(255, 255, 255, 0.08)) border-box;
}

.elevated {
  box-shadow: var(--shadow-md);
}

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}


/* =========================================================
   17) Grilles globales
   ========================================================= */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}


/* =========================================================
   18) Responsive - desktop / tablette / mobile
   ========================================================= */
@media (max-width: 1100px) {
  :root {
    --container-padding: 20px;
    --section-spacing: 84px;
  }

  .card-grid,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 78px;
    --section-spacing: 72px;
  }

  body {
    padding-top: var(--header-height);
    background-image:
      radial-gradient(circle at 16% 8%, rgba(139, 92, 246, 0.14) 0%, transparent 24%),
      radial-gradient(circle at 84% 10%, rgba(59, 130, 246, 0.08) 0%, transparent 20%),
      radial-gradient(circle at 50% 120%, rgba(139, 92, 246, 0.08) 0%, transparent 30%),
      linear-gradient(180deg, var(--color-bg-top) 0%, var(--color-bg-mid) 22%, var(--color-bg-dark) 60%, var(--color-bg-deep) 100%);
  }

  body::before {
    opacity: 0.20;
    background-size: 88px 88px;
  }

  body::after {
    background:
      radial-gradient(circle at 16% 10%, rgba(139, 92, 246, 0.13) 0%, transparent 20%),
      radial-gradient(circle at 84% 12%, rgba(96, 165, 250, 0.08) 0%, transparent 18%),
      radial-gradient(circle at 50% 110%, rgba(139, 92, 246, 0.06) 0%, transparent 26%),
      radial-gradient(circle at 50% 50%, transparent 60%, rgba(0, 0, 0, 0.28) 100%);
  }

  .header-inner {
    gap: 14px;
  }

  .brand-text {
    font-size: 1rem;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  :root {
    --container-padding: 16px;
    --section-spacing: 64px;
  }

  h1 {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  h2 {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  h3 {
    font-size: clamp(1.25rem, 5vw, 1.6rem);
  }

  .site-header {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .lang-switch {
    padding: 4px;
  }

  .lang-link {
    width: 38px;
    min-width: 38px;
    height: 38px;
    min-height: 38px;
    background-size: 16px 16px;
  }

  .btn-mobile-full {
    width: 100%;
  }

  .card,
  .section-panel {
    padding: 20px;
  }

  .section-header {
    margin-bottom: 24px;
  }

  body::before {
    opacity: 0.12;
    background-size: 96px 96px;
  }

  body::after {
    background:
      radial-gradient(circle at 18% 8%, rgba(139, 92, 246, 0.10) 0%, transparent 18%),
      radial-gradient(circle at 82% 10%, rgba(96, 165, 250, 0.06) 0%, transparent 16%),
      radial-gradient(circle at 50% 110%, rgba(139, 92, 246, 0.05) 0%, transparent 22%),
      radial-gradient(circle at 50% 50%, transparent 62%, rgba(0, 0, 0, 0.32) 100%);
  }
}


/* =========================================================
   19) Préférences accessibilité / animations réduites
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}