/* ============================================================================
   LorIAx — Site Vitrine
   Direction : Éditorial chaleureux
   Polices : Plus Jakarta Sans (titres/UI) + Source Serif 4 (corps éditorial)
   Palette : loriax-brand/identite-visuelle/couleurs.md
   ============================================================================ */

/* ============================================================================
   1. Design Tokens
   ============================================================================ */

:root {
  /* Typographie */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-ui: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* Couleurs — Base neutre (gris chauds, jamais froids) */
  --color-text: #37352F;
  --color-text-secondary: #787774;
  --color-text-tertiary: #9B9A97;
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F7F6F3;
  --color-bg-tertiary: #EDECE9;
  --color-border: #E3E2DE;
  --color-border-strong: #CFCECA;

  /* Couleurs — Accents (charte graphique complète) */
  --color-accent: #EB5757;
  --color-accent-hover: #D44A4A;
  --color-accent-light: #FDECEC;
  --color-amber: #CB912F;
  --color-amber-light: #FBF3DB;
  --color-blue: #2F80ED;
  --color-blue-light: #DDEBF1;
  --color-green: #0F7B6C;
  --color-green-light: #DBEDDB;
  --color-purple: #9065B0;
  --color-purple-light: #E8DEEE;

  /* Espacement */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Rayons de bordure */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Ombres — teintées brun chaud, pas noir/bleu */
  --shadow-xs: 0 1px 2px rgba(55, 53, 47, 0.04);
  --shadow-sm: 0 2px 4px rgba(55, 53, 47, 0.06);
  --shadow-md: 0 4px 12px rgba(55, 53, 47, 0.08);
  --shadow-lg: 0 8px 24px rgba(55, 53, 47, 0.1);
  --shadow-xl: 0 16px 48px rgba(55, 53, 47, 0.14);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* Mode sombre — tokens fidèles à loriax-brand */
[data-theme="dark"] {
  --color-text: #E3E2DE;
  --color-text-secondary: #9B9A97;
  --color-text-tertiary: #787774;
  --color-bg: #191919;
  --color-bg-secondary: #202020;
  --color-bg-tertiary: #2F2F2F;
  --color-border: #373737;
  --color-border-strong: #4A4A4A;

  --color-accent: #F08080;
  --color-accent-hover: #EB5757;
  --color-accent-light: #3D2828;
  --color-amber: #E0A84C;
  --color-amber-light: #3D3425;
  --color-blue: #5B9EF5;
  --color-blue-light: #243040;
  --color-green: #4DAB9A;
  --color-green-light: #1E3330;
  --color-purple: #B08DD0;
  --color-purple-light: #302540;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* ============================================================================
   2. Reset & Base
   ============================================================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-ui);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: var(--leading-normal);
  transition: background-color var(--duration-slow) var(--ease-out),
              color var(--duration-slow) var(--ease-out);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

/* ============================================================================
   3. Typographie
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

/* ============================================================================
   4. Header
   ============================================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base),
              background-color var(--duration-base),
              box-shadow var(--duration-base);
}

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

[data-theme="dark"] .header {
  background-color: rgba(25, 25, 25, 0.8);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* Logo */
.logo__link {
  display: flex;
  align-items: center;
  color: var(--color-text);
  transition: opacity var(--duration-fast);
  flex-shrink: 0;
}

.logo__link:hover {
  opacity: 0.75;
}

.logo__svg {
  width: 100px;
  height: auto;
}

/* Navigation desktop */
.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
  }
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--duration-fast);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-text);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
  transition: width var(--duration-base) var(--ease-out);
}

.nav__link:hover::after {
  width: 100%;
}

/* Actions header */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Toggle thème */
.theme-toggle {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast), background-color var(--duration-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--color-text);
  background-color: var(--color-bg-tertiary);
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
}

.theme-toggle__icon--light { display: block; }
.theme-toggle__icon--dark { display: none; }
[data-theme="dark"] .theme-toggle__icon--light { display: none; }
[data-theme="dark"] .theme-toggle__icon--dark { display: block; }

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast);
}

.menu-toggle:hover {
  background-color: var(--color-bg-tertiary);
}

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

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================================
   5. Navigation mobile
   ============================================================================ */

.nav-mobile {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out),
              visibility var(--duration-base);
}

.nav-mobile.active {
  opacity: 1;
  visibility: visible;
}

.nav-mobile__list {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.nav-mobile__link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--duration-fast);
}

.nav-mobile__link:hover {
  color: var(--color-accent);
}

.nav-mobile__link--cta {
  display: inline-block;
  margin-top: var(--space-md);
  padding: var(--space-md) var(--space-2xl);
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
}

.nav-mobile__link--cta:hover {
  background-color: var(--color-accent-hover);
  color: white;
}

/* ============================================================================
   6. Boutons
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn--ghost:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-text-tertiary);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-xl);
}

.btn--white {
  background-color: white;
  color: var(--color-accent);
  border-color: white;
}

.btn--white:hover {
  background-color: var(--color-bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--white-outline {
  background-color: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--white-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ============================================================================
   7. Sections — Styles communs
   ============================================================================ */

.section {
  padding: var(--space-5xl) var(--space-lg);
}

.section__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.section__header {
  max-width: 680px;
  margin-bottom: var(--space-3xl);
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__header h2 {
  margin-bottom: var(--space-lg);
}

.section__header p {
  font-family: var(--font-body);
  font-size: 1.1875rem;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.section__eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section--alt {
  background-color: var(--color-bg-secondary);
}

/* ============================================================================
   8. Hero
   ============================================================================ */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--space-4xl) var(--space-lg);
  background-color: var(--color-bg);
  overflow: hidden;
  position: relative;
}

/* Halo chaud subtil en arrière-plan */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse, var(--color-accent-light) 0%, transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}

.hero__container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__container {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-4xl);
  }
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-accent-light);
  border-radius: var(--radius-full);
}

.hero__title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-2xl);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Mascotte — visuel principal */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__mascotte-wrapper {
  position: relative;
  width: 100%;
  max-width: 420px;
}

/* Halo ambre chaud derrière la mascotte — couleurs saturées pour rester visibles
   sur fond clair (#FBF3DB trop proche du blanc, on utilise rgba directs) */
.hero__mascotte-wrapper::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130%;
  height: 130%;
  background: radial-gradient(
    circle,
    rgba(203, 145, 47, 0.65) 0%,
    rgba(203, 145, 47, 0.4) 35%,
    rgba(235, 87, 87, 0.2) 60%,
    transparent 75%
  );
  border-radius: 50%;
  filter: blur(18px);
  animation: pulse-glow 5s ease-in-out infinite;
}

[data-theme="dark"] .hero__mascotte-wrapper::before {
  background: radial-gradient(
    circle,
    rgba(224, 168, 76, 0.4) 0%,
    rgba(240, 128, 128, 0.2) 50%,
    transparent 75%
  );
}

.hero__mascotte-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(55, 53, 47, 0.15));
  animation: float 4s ease-in-out infinite;
}

/* ============================================================================
   9. Section Problème
   ============================================================================ */

.section--problem {
  background-color: var(--color-bg-secondary);
}

.concern-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .concern-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.concern-card {
  padding: var(--space-2xl);
  background-color: var(--color-bg);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.concern-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Bordure colorée unique par carte */
.concern-card:nth-child(1) { border-left-color: var(--color-accent); }
.concern-card:nth-child(2) { border-left-color: var(--color-amber); }
.concern-card:nth-child(3) { border-left-color: var(--color-blue); }

.concern-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.concern-card:nth-child(1) .concern-card__icon {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.concern-card:nth-child(2) .concern-card__icon {
  background-color: var(--color-amber-light);
  color: var(--color-amber);
}

.concern-card:nth-child(3) .concern-card__icon {
  background-color: var(--color-blue-light);
  color: var(--color-blue);
}

.concern-card h3 {
  margin-bottom: var(--space-md);
}

.concern-card p {
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  line-height: var(--leading-relaxed);
}

/* ============================================================================
   10. Section Solution
   ============================================================================ */

.pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .pillar-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar-card {
  padding: var(--space-2xl);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

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

.pillar-card__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-lg);
}

/* Numéros en couleur d'accent — décoratifs */
.pillar-card:nth-child(1) .pillar-card__number { color: var(--color-accent); opacity: 0.25; }
.pillar-card:nth-child(2) .pillar-card__number { color: var(--color-green); opacity: 0.3; }
.pillar-card:nth-child(3) .pillar-card__number { color: var(--color-purple); opacity: 0.3; }

[data-theme="dark"] .pillar-card:nth-child(1) .pillar-card__number { opacity: 0.35; }
[data-theme="dark"] .pillar-card:nth-child(2) .pillar-card__number { opacity: 0.4; }
[data-theme="dark"] .pillar-card:nth-child(3) .pillar-card__number { opacity: 0.4; }

.pillar-card h3 {
  margin-bottom: var(--space-md);
}

.pillar-card p {
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  line-height: var(--leading-relaxed);
}

/* ============================================================================
   11. Section Démo
   ============================================================================ */

.section--demo {
  background-color: var(--color-bg-secondary);
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 768px) {
  .demo-layout {
    grid-template-columns: 0.4fr 0.6fr;
  }
}

.demo-text h2 {
  margin-bottom: var(--space-lg);
}

.demo-text p {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-xl);
}

.demo-text .section__eyebrow {
  margin-bottom: var(--space-md);
}

/* Cadre navigateur */
.browser-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.browser-frame__bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.browser-frame__dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.browser-frame__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.browser-frame__dots span:nth-child(1) { background-color: #EB5757; }
.browser-frame__dots span:nth-child(2) { background-color: #CB912F; }
.browser-frame__dots span:nth-child(3) { background-color: #0F7B6C; }

.browser-frame__url {
  flex: 1;
  font-size: 0.75rem;
  font-family: var(--font-ui);
  color: var(--color-text-tertiary);
  background-color: var(--color-bg);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: center;
}

/* Onglets de la démo */
.demo-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.demo-tab {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8rem;
  font-family: var(--font-ui);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color 150ms, color 150ms, border-color 150ms;
}

.demo-tab:hover {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text);
}

.demo-tab.is-active {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Captures d'écran réelles dans le cadre navigateur */
.browser-frame__content--screenshot {
  padding: 0;
  overflow: hidden;
}

.demo-slides {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-bg-secondary);
}

.demo-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  opacity: 0;
  transition: opacity 400ms ease;
}

.demo-slide.is-active {
  opacity: 1;
}

/* ============================================================================
   12. Fonctionnalités
   ============================================================================ */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: var(--space-2xl);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

/* Chaque fonctionnalité a sa couleur d'accent propre */
.feature-card:nth-child(1) .feature-card__icon { background-color: var(--color-accent-light); color: var(--color-accent); }
.feature-card:nth-child(2) .feature-card__icon { background-color: var(--color-purple-light); color: var(--color-purple); }
.feature-card:nth-child(3) .feature-card__icon { background-color: var(--color-green-light); color: var(--color-green); }
.feature-card:nth-child(4) .feature-card__icon { background-color: var(--color-blue-light); color: var(--color-blue); }
.feature-card:nth-child(5) .feature-card__icon { background-color: var(--color-amber-light); color: var(--color-amber); }
.feature-card:nth-child(6) .feature-card__icon { background-color: var(--color-purple-light); color: var(--color-purple); }

.feature-card h3 {
  margin-bottom: var(--space-md);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  line-height: var(--leading-relaxed);
}

/* ============================================================================
   12b. Features — Explorer (nav latérale sticky + scroll completion)
   ============================================================================ */

.features-explorer {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (min-width: 1024px) {
  .features-explorer {
    grid-template-columns: 260px 1fr;
    gap: var(--space-4xl);
  }
}

/* ── Nav latérale ── */
.features-nav {
  display: none;
}

@media (min-width: 1024px) {
  .features-nav {
    display: block;
    position: sticky;
    top: 100px;
  }
}

.features-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.features-nav__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.features-nav__item:hover {
  background-color: var(--color-bg-secondary);
  transform: translateX(2px);
}

.features-nav__item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

.features-nav__item.is-active {
  background-color: var(--color-bg-secondary);
  box-shadow: inset 2px 0 0 var(--color-accent);
}

.features-nav__number {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-tertiary);
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
}

.features-nav__check {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.6);
  transition: all var(--duration-base) var(--ease-out);
}

.features-nav__check svg {
  width: 14px;
  height: 14px;
}

.features-nav__num-text {
  transition: opacity var(--duration-base) var(--ease-out);
}

.features-nav__label {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  line-height: var(--leading-snug);
  transition: color var(--duration-fast) var(--ease-out);
}

.features-nav__item.is-active .features-nav__number {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.features-nav__item.is-active .features-nav__label {
  color: var(--color-text);
}

/* ── Sections de contenu ── */
.features-sections {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.features-section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.features-section:first-child {
  padding-top: 0;
}

.features-section:last-child {
  border-bottom: none;
}

/* ── Horizontal slide mode (≥ 1024 px) ── */
@media (min-width: 1024px) {
  .features-nav {
    max-height: 520px;
    overflow-y: auto;
    scrollbar-width: none;
  }
  .features-nav::-webkit-scrollbar { display: none; }

  .features-sections {
    flex-direction: row;
    height: 520px;
    overflow-x: scroll;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-secondary);
  }
  .features-sections::-webkit-scrollbar { display: none; }

  .features-section {
    flex: 0 0 100%;
    min-width: 0;
    scroll-snap-align: start;
    overflow-y: auto;
    border-bottom: none;
    padding: var(--space-xl) var(--space-2xl);
  }
  .features-section:first-child { padding-top: var(--space-xl); }
}

.features-section__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.features-section__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.features-section__icon--red   { background-color: var(--color-accent-light); color: var(--color-accent); }
.features-section__icon--purple { background-color: var(--color-purple-light); color: var(--color-purple); }
.features-section__icon--green  { background-color: var(--color-green-light); color: var(--color-green); }
.features-section__icon--blue   { background-color: var(--color-blue-light); color: var(--color-blue); }
.features-section__icon--amber  { background-color: var(--color-amber-light); color: var(--color-amber); }

.features-section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-xs) 0;
  line-height: var(--leading-snug);
}

.features-section__desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-feature-settings: 'onum' 1, 'liga' 1;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.features-list {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
}

.features-list li {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-full, 9999px);
  padding: 5px 12px;
}

.features-list li code {
  font-family: monospace;
  font-size: 0.8em;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 0 3px;
  color: var(--color-text);
}

.features-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.features-tool {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px var(--space-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background-color: transparent;
  font-family: monospace;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ============================================================================
   13. Tarification
   ============================================================================ */

.section--pricing {
  background-color: var(--color-bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.pricing-card {
  padding: var(--space-2xl);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}


.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .pricing-card--featured {
    padding: var(--space-3xl) var(--space-2xl);
    margin-top: -12px;
    margin-bottom: -12px;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: white;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-card__name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.pricing-card__price-note {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-lg);
}

.pricing-card__desc {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: var(--leading-relaxed);
}

.pricing-card__features {
  flex: 1;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-card__features li svg {
  width: 16px;
  height: 16px;
  color: var(--color-green);
  flex-shrink: 0;
  margin-top: 2px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pricing-card__price-block {
  margin-bottom: var(--space-lg);
}

.pricing-card__price--quote {
  font-size: 1.75rem;
}

.pricing-card__currency {
  font-size: 1.5rem;
  vertical-align: super;
  font-weight: 600;
  margin-left: 2px;
}

.pricing-card__price-saving {
  font-size: 0.8125rem;
  color: var(--color-green);
  font-weight: 600;
  margin-top: var(--space-xs);
}

/* Toggle mensuel / annuel */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-3xl);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 4px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.pricing-toggle__btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.pricing-toggle__btn--active {
  background-color: var(--color-bg);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.pricing-toggle__badge {
  display: inline-block;
  background-color: var(--color-green);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

/* ============================================================================
   14. Architecture / Tech
   ============================================================================ */

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tech-item {
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: border-color var(--duration-base),
              transform var(--duration-base) var(--ease-out);
}

.tech-item:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.tech-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.tech-item:nth-child(1) .tech-item__dot { background-color: var(--color-blue); }
.tech-item:nth-child(2) .tech-item__dot { background-color: var(--color-green); }
.tech-item:nth-child(3) .tech-item__dot { background-color: var(--color-amber); }
.tech-item:nth-child(4) .tech-item__dot { background-color: var(--color-purple); }
.tech-item:nth-child(5) .tech-item__dot { background-color: var(--color-accent); }
.tech-item:nth-child(6) .tech-item__dot { background-color: var(--color-green); }

.tech-item h4 {
  margin-bottom: var(--space-sm);
}

.tech-item p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: var(--leading-normal);
}

/* ============================================================================
   15. FAQ
   ============================================================================ */

.section--faq {
  background-color: var(--color-bg-secondary);
}

.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-xl) 0;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--duration-fast);
  text-align: left;
}

.faq-item__question:hover {
  color: var(--color-accent);
}

/* Supprimer les marqueurs natifs */
.faq-item__question::marker { content: ''; }
.faq-item__question::-webkit-details-marker { display: none; }

/* Chevron animé */
.faq-item__question::after {
  content: '';
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: var(--space-lg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%239B9A97' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--duration-base) var(--ease-out);
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding-bottom: var(--space-xl);
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 640px;
}

.faq-item__answer p:last-child {
  margin-bottom: 0;
}

/* ============================================================================
   16. CTA
   ============================================================================ */

.section--cta {
  background: linear-gradient(135deg, #EB5757 0%, #D44A4A 40%, #CB912F 100%);
  color: white;
  text-align: center;
  padding: var(--space-5xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

/* Cercles décoratifs */
.section--cta::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.section--cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  color: white;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-lg);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-body);
  font-size: 1.1875rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2xl);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================================================
   17. Footer
   ============================================================================ */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4xl) var(--space-lg) var(--space-2xl);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand-desc {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__socials a {
  color: var(--color-text-tertiary);
  transition: color var(--duration-fast);
  display: flex;
}

.footer__socials a:hover {
  color: var(--color-accent);
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__links a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--duration-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  text-align: center;
}

.footer__copyright {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.footer__copyright a {
  color: var(--color-accent);
  transition: color var(--duration-fast);
}

.footer__copyright a:hover {
  color: var(--color-accent-hover);
}

/* ============================================================================
   18. Animations
   ============================================================================ */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.9; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Apparition en cascade des enfants */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 500ms; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================================
   19. Responsive
   ============================================================================ */

@media (max-width: 640px) {
  .section {
    padding: var(--space-3xl) var(--space-md);
  }

  .section--cta {
    padding: var(--space-3xl) var(--space-md);
  }

  .hero {
    min-height: auto;
    padding: var(--space-3xl) var(--space-md) var(--space-2xl);
  }

  .hero__visual {
    order: -1;
  }

  .hero__mascotte-wrapper {
    max-width: 260px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

/* Focus visible — accessibilité */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================================================
   20. Delight — animations & micro-interactions
   ============================================================================ */

@keyframes tag-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.features-section.revealed .features-list li {
  animation: tag-in 0.32s var(--ease-out) both;
}
.features-section.revealed .features-list li:nth-child(1)  { animation-delay: 350ms; }
.features-section.revealed .features-list li:nth-child(2)  { animation-delay: 400ms; }
.features-section.revealed .features-list li:nth-child(3)  { animation-delay: 450ms; }
.features-section.revealed .features-list li:nth-child(4)  { animation-delay: 500ms; }
.features-section.revealed .features-list li:nth-child(5)  { animation-delay: 550ms; }
.features-section.revealed .features-list li:nth-child(6)  { animation-delay: 600ms; }
.features-section.revealed .features-list li:nth-child(7)  { animation-delay: 650ms; }
.features-section.revealed .features-list li:nth-child(8)  { animation-delay: 700ms; }
.features-section.revealed .features-list li:nth-child(9)  { animation-delay: 750ms; }
.features-section.revealed .features-list li:nth-child(10) { animation-delay: 800ms; }
.features-section.revealed .features-list li:nth-child(11) { animation-delay: 850ms; }
.features-section.revealed .features-list li:nth-child(12) { animation-delay: 900ms; }

.features-list li {
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color            var(--duration-fast) var(--ease-out),
    transform        var(--duration-fast) var(--ease-out);
}

.features-list li:hover {
  background-color: var(--color-bg-tertiary, #eee);
  color: var(--color-text);
  transform: translateY(-1px);
}

.features-section__icon {
  transition: transform var(--duration-base) var(--ease-out);
}

.features-section:hover .features-section__icon {
  transform: rotate(-4deg) scale(1.06);
}

/* ── Mobile progress indicator (adapt) ── */
.features-mobile-progress {
  display: none;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}

@media (max-width: 1023px) {
  .features-mobile-progress {
    display: block;
  }
}

/* ============================================================================
   21. Print
   ============================================================================ */

@media print {
  .header,
  .nav-mobile,
  .footer,
  .section--cta {
    display: none;
  }

  .reveal,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }
}