/* ============================================================
   STYLE.CSS — Studio Épure
   Agent 3 — Le Peintre UI | Labo Digital
   Architecture : Mobile-First Radical | Vanilla CSS Pur
   Dépendance : css/variables.css
   ============================================================ */


/* --- RESET & BASE --- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.7;
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

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

h1, h2, h3, h4 {
  line-height: 1.2;
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-bold);
}

address {
  font-style: normal;
}


/* --- RYTHME VERTICAL GLOBAL --- */

main > section {
  padding: var(--spacing-5xl) var(--spacing-lg);
}


/* --- COMPOSANTS BOUTONS --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-duration-default) var(--transition-timing-default),
              color var(--transition-duration-default) var(--transition-timing-default),
              border-color var(--transition-duration-default) var(--transition-timing-default),
              transform var(--transition-duration-default) var(--transition-timing-default),
              box-shadow var(--transition-duration-default) var(--transition-timing-default);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  /* Le dégradé métallique Laiton (assombri -> clair -> éclat -> clair -> assombri) */
  background: linear-gradient(
    110deg, 
    var(--color-primary-dark) 0%, 
    var(--color-primary) 25%, 
    #e8d2b3 50%, /* Éclat de lumière central */
    var(--color-primary) 75%, 
    var(--color-primary-dark) 100%
  );
  background-size: 200% auto; /* Prépare l'animation du reflet */
  
  color: var(--color-bg-base); /* Texte anthracite pour un contraste luxe */
  border-color: transparent; /* On enlève la bordure plate pour laisser parler le dégradé */
  
  /* Le Halo (Shadow colorée avec la variable primaire) */
  box-shadow: 0 4px 15px rgba(200, 169, 126, 0.35); 
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-position: right center; /* Fait glisser le reflet métallique */
  transform: translateY(-2px);
  /* Le halo s'intensifie au survol */
  box-shadow: 0 8px 25px rgba(200, 169, 126, 0.55);
  outline: none;
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-border-light);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  outline: none;
}

.btn--large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn--inverted {
  background-color: var(--color-text-inverse);
  color: var(--color-bg-base);
  border-color: var(--color-text-inverse);
}

.btn--inverted:hover,
.btn--inverted:focus-visible {
  background-color: rgba(255, 255, 255, 0.88);
  border-color: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
  outline: none;
}

/* Focus visible général (accessibilité clavier) */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}


/* --- SITE HEADER --- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(3, 0, 20, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-light);
}

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

.site-header__logo {
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  letter-spacing: -0.02em;
}

.site-header__nav {
  display: none;
}

.site-header__cta {
  display: none;
}

/* Burger menu (mobile) */
.site-header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-duration-default) var(--transition-timing-default);
}

.site-header__burger:hover,
.site-header__burger:focus-visible {
  background-color: rgba(255, 255, 255, 0.08);
  outline: none;
}

.burger__line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  transition: transform var(--transition-duration-default) var(--transition-timing-default),
              opacity var(--transition-duration-default) var(--transition-timing-default);
}

@media (min-width: 768px) {
  .site-header__nav {
    display: flex;
    align-items: center;
  }

  .nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
  }

  .nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-main);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition-duration-default) var(--transition-timing-default);
  }

  .nav__link:hover,
  .nav__link:focus-visible {
    color: var(--color-text-inverse);
    outline: none;
  }

  .site-header__cta {
    display: inline-flex;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  .site-header__burger {
    display: none;
  }
}


/* --- SECTION HERO --- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--spacing-5xl) + 64px);
  padding-bottom: var(--spacing-5xl);
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  overflow: hidden;
}

/* Orbe lumineux arrière-plan */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(74, 163, 255, 0.12) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  text-align: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero__description {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  max-width: 62ch;
  margin: 0 auto;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Visuel hero */
.hero__visual {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.hero__picture {
  width: 100%;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  display: block;
  min-height: 280px;
  background-color: var(--color-bg-surface);
}

/* Badge flottant */
.hero__badge {
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background-color: rgba(19, 17, 28, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.hero__badge-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.hero__badge-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}

/* Indicateur de défilement */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-display-custom);
  }

  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

  .hero__image {
    min-height: 380px;
  }
}

@media (min-width: 1024px) {
  .hero__container {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-4xl);
  }

  .hero__content {
    text-align: left;
    flex: 1 1 55%;
  }

  .hero__description {
    margin: 0;
  }

  .hero__actions {
    justify-content: flex-start;
  }

  .hero__title {
    font-size: var(--font-size-5xl);
  }

  .hero__visual {
    flex: 1 1 45%;
  }

  .hero__image {
    min-height: 480px;
  }
}


/* --- SECTION INTRO --- */

.intro {
  background-color: var(--color-bg-surface);
  position: relative;
}

.intro::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(74, 163, 255, 0.07) 0%, transparent 60%);
  pointer-events: none;
}

.intro__container {
  position: relative;
  z-index: 1;
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.intro__header {
  text-align: center;
}

.intro__title {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
  max-width: 22ch;
  margin: 0 auto;
}

.intro__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.intro__text {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  line-height: 1.8;
}

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

.intro__pillar {
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  transition: border-color var(--transition-duration-default) var(--transition-timing-default),
              box-shadow var(--transition-duration-default) var(--transition-timing-default);
}

.intro__pillar:hover {
  border-color: rgba(74, 163, 255, 0.35);
  box-shadow: 0 0 32px rgba(74, 163, 255, 0.08);
}

.intro__pillar-icon svg {
  width: 48px;
  height: 48px;
  background-color: rgba(200, 169, 126, 0.08); /* Fond léger couleur Laiton */
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  transition: transform var(--transition-duration-default) ease;
}

.intro__pillar:hover .intro__pillar-icon svg {
  transform: scale(1.1);
}

.intro__pillar-title {
  font-size: var(--font-size-lg);
  color: var(--color-text-inverse);
}

.intro__pillar-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  line-height: 1.7;
}

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

  .intro__body {
    flex-direction: row;
    gap: var(--spacing-3xl);
  }

  .intro__problem,
  .intro__solution {
    flex: 1;
  }
}

@media (min-width: 1024px) {
  .intro__title {
    font-size: var(--font-size-4xl);
  }
}


/* --- SECTION SERVICES --- */

.services {
  background-color: var(--color-bg-base);
}

.services__container {
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.services__header {
  text-align: center;
}

.services__title {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
}

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

/* Carte service */
.service-card {
  position: relative;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-duration-default) var(--transition-timing-default),
              transform var(--transition-duration-default) var(--transition-timing-default),
              box-shadow var(--transition-duration-default) var(--transition-timing-default);
}

.service-card:hover {
  border-color: rgba(74, 163, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.service-card--featured {
  border-color: rgba(74, 163, 255, 0.3);
  background: linear-gradient(145deg, rgba(74, 163, 255, 0.06) 0%, var(--color-bg-surface) 60%);
}

.service-card--featured::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 0%, rgba(74, 163, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.service-card__number {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1;
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: rgba(255, 255, 255, 0.05);
  line-height: 1;
  letter-spacing: -0.04em;
  pointer-events: none;
}

.service-card__visual {
  overflow: hidden;
  flex-shrink: 0;
}

.service-card__picture {
  width: 100%;
  display: block;
}

.service-card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  background-color: rgba(74, 163, 255, 0.08);
  transition: transform 0.5s ease;
}

.service-card:hover .service-card__image {
  transform: scale(1.04);
}

.service-card__body {
  position: relative;
  z-index: 1;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 1;
}

.service-card__title {
  font-size: var(--font-size-xl);
  color: var(--color-text-inverse);
}

.service-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  line-height: 1.75;
}

.services__cta-wrapper {
  display: flex;
  justify-content: center;
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card:nth-child(2) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .services__title {
    font-size: var(--font-size-4xl);
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-card:nth-child(2) {
    grid-column: auto;
  }

  .service-card__image {
    height: 280px;
  }
}


/* --- SECTION RÉALISATIONS --- */

.realisations {
  background-color: var(--color-bg-surface);
  position: relative;
  overflow: hidden;
}

.realisations__container {
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.realisations__header {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.realisations__title {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.realisations__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
}

.realisations__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

/* Carte réalisation */
.realisation-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-bg-base);
  aspect-ratio: 16 / 10;
}

.realisation-card--large {
  aspect-ratio: 16 / 9;
}

.realisation-card__picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.realisation-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background-color: rgba(74, 163, 255, 0.07);
  transition: transform 0.6s ease;
}

.realisation-card:hover .realisation-card__image {
  transform: scale(1.05);
}

/* Overlay gradient */
.realisation-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-xl);
  background: linear-gradient(to top, rgba(3, 0, 20, 0.85) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-duration-default) var(--transition-timing-default);
}

.realisation-card--large .realisation-card__overlay {
  opacity: 1;
}

.realisation-card:hover .realisation-card__overlay {
  opacity: 1;
}

.realisation-card__title {
  font-size: var(--font-size-xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-xs);
}

.realisation-card__location {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.realisation-card__stats {
  display: flex;
  gap: var(--spacing-lg);
}

.realisation-card__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.realisation-card__stat-label {
  font-size: 0.75rem;
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.realisation-card__stat-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .realisations__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .realisation-card--large {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .realisations__title {
    font-size: var(--font-size-4xl);
  }
}


/* --- SECTION TÉMOIGNAGES --- */

.temoignages {
  background-color: var(--color-bg-base);
  position: relative;
}

.temoignages::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(74, 163, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.temoignages__container {
  position: relative;
  z-index: 1;
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.temoignages__header {
  text-align: center;
}

.temoignages__title {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
  max-width: 26ch;
  margin: 0 auto;
}

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

/* Carte témoignage */
.temoignage-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  transition: border-color var(--transition-duration-default) var(--transition-timing-default),
              box-shadow var(--transition-duration-default) var(--transition-timing-default);
}

.temoignage-card:hover {
  border-color: rgba(74, 163, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.temoignage-card__stars {
  display: flex;
  gap: var(--spacing-xs);
}

.temoignage-card__star {
  color: #f59e0b;
  font-size: var(--font-size-lg);
}

.temoignage-card__text {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  line-height: 1.8;
  font-style: italic;
}

.temoignage-card__footer {
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
}

.temoignage-card__author {
  font-size: var(--font-size-sm);
  font-style: normal;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .temoignages__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .temoignages__title {
    font-size: var(--font-size-4xl);
  }
}


/* --- SECTION FAQ --- */

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

.faq__container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.faq__header {
  text-align: center;
}

.faq__title {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Accordéon FAQ (details/summary natif) */
.faq__item {
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-duration-default) var(--transition-timing-default);
}

.faq__item:hover,
.faq__item[open] {
  border-color: rgba(74, 163, 255, 0.35);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--transition-duration-default) var(--transition-timing-default);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  border-radius: var(--radius-xl);
}

.faq__question-text {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-inverse);
  line-height: 1.5;
}

.faq__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background-color: rgba(74, 163, 255, 0.12);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background-color var(--transition-duration-default) var(--transition-timing-default),
              transform var(--transition-duration-default) var(--transition-timing-default);
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-duration-default) var(--transition-timing-default),
              opacity var(--transition-duration-default) var(--transition-timing-default);
}

.faq__icon::before {
  width: 10px;
  height: 2px;
}

.faq__icon::after {
  width: 2px;
  height: 10px;
}

.faq__item[open] .faq__icon {
  background-color: rgba(74, 163, 255, 0.25);
  transform: rotate(45deg);
}

.faq__answer {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
}

.faq__answer p {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  line-height: 1.8;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
}

@media (min-width: 1024px) {
  .faq__title {
    font-size: var(--font-size-4xl);
  }
}


/* --- SECTION CTA FINAL --- */

.cta-final {
  background-color: var(--color-bg-base);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(74, 163, 255, 0.1) 0%, transparent 65%);
  pointer-events: none;
}

.cta-final__container {
  position: relative;
  z-index: 1;
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.cta-final__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  text-align: center;
}

.cta-final__title {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.025em;
}

.cta-final__text {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  max-width: 58ch;
  margin: 0 auto;
  line-height: 1.8;
}

.cta-final__visual {
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.cta-final__image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  background-color: rgba(74, 163, 255, 0.07);
  border-radius: var(--radius-2xl);
}

@media (min-width: 1024px) {
  .cta-final__container {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-4xl);
  }

  .cta-final__content {
    text-align: left;
    flex: 1 1 55%;
  }

  .cta-final__text {
    margin: 0;
  }

  .cta-final__title {
    font-size: var(--font-size-4xl);
  }

  .cta-final__visual {
    flex: 1 1 45%;
  }

  .cta-final__image {
    height: 420px;
  }
}


/* --- FOOTER --- */

.site-footer {
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border-light);
}

.site-footer__container {
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  padding: var(--spacing-4xl) var(--spacing-lg) var(--spacing-3xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3xl);
}

/* Marque */
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.site-footer__logo {
  text-decoration: none;
  display: inline-block;
}

.site-footer__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  letter-spacing: -0.02em;
}

.site-footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  line-height: 1.6;
  max-width: 30ch;
}

/* Adresse */
.site-footer__address {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.site-footer__address-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-xs);
}

.site-footer__address-street,
.site-footer__address-city,
.site-footer__address-phone,
.site-footer__address-email {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}

.site-footer__address-link {
  color: var(--color-text-main);
  text-decoration: none;
  transition: color var(--transition-duration-default) var(--transition-timing-default);
}

.site-footer__address-link:hover,
.site-footer__address-link:focus-visible {
  color: var(--color-primary);
  outline: none;
}

/* Navigation secondaire */
.site-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs); /* On resserre l'espace entre les liens */
  list-style: none;
}

.site-footer__nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  text-decoration: none;
  transition: color var(--transition-duration-default) var(--transition-timing-default);
}

.site-footer__nav-link:hover,
.site-footer__nav-link:focus-visible {
  color: var(--color-text-inverse);
  outline: none;
}

/* Réassurance */
.reassurance__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  list-style: none;
}

.reassurance__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.reassurance__icon {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.reassurance__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}

/* Footer bottom */
.site-footer__bottom {
  border-top: 1px solid var(--color-border-light);
}

.site-footer__bottom-container {
  max-width: var(--spacing-container-lg);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.site-footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}

.site-footer__legal-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  list-style: none;
}

.site-footer__legal-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  text-decoration: none;
  transition: color var(--transition-duration-default) var(--transition-timing-default);
}

.site-footer__legal-link:hover,
.site-footer__legal-link:focus-visible {
  color: var(--color-primary);
  outline: none;
}

@media (min-width: 768px) {
  .site-footer__container {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .site-footer__container {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    align-items: start;
  }

  .site-footer__brand {
    grid-column: auto;
  }

  .site-footer__bottom-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}


/* --- UTILITAIRES ACCESSIBILITÉ --- */

/* Skip link (navigation clavier) */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-lg);
  z-index: 999;
  background-color: var(--color-primary);
  color: var(--color-bg-base);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-duration-default) var(--transition-timing-default);
}

.skip-link:focus {
  top: var(--spacing-md);
}

/* Visually hidden (pour les screen readers) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Réduction des animations (accessibilité) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- MODAL NATIVE <dialog> --- */
.modal {
  padding: 0;
  border: none;
  border-radius: 8px; /* À adapter avec tes variables */
  background-color: var(--color-background, #1a1612);
  color: var(--color-text, #f4f4f4);
  max-width: 90%;
  width: 800px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  margin: auto;
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px); /* Petit effet luxe gratuit */
}

.modal__inner {
  padding: 2rem;
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.modal__close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0.5rem;
  transition: opacity 0.3s ease;
}

.modal__close:hover {
  opacity: 0.7;
}

.modal__body {
  display: flex;
  flex-direction: column; /* Mobile-First : on empile */
  gap: 2rem;
}

.modal__divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--color-text-muted, #888);
}
.modal__divider::before, .modal__divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.modal__divider span {
  padding: 0 1rem;
  font-size: 0.875rem;
}

/* Espacement et aération de la colonne de droite */
.modal__col--agenda {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md); /* Utilise la variable Labo Digital de 24px */
  justify-content: center;
  align-items: flex-start;
}

/* Formulaire basique */
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.2);
  color: inherit;
  border-radius: 4px;
}

/* Desktop */
@media (min-width: 768px) {
  .modal__body {
    flex-direction: row; /* On passe en côte à côte */
  }
  .modal__col {
    flex: 1;
  }
  .modal__divider {
    flex-direction: column;
  }
  .modal__divider::before, .modal__divider::after {
    border-bottom: none;
    border-left: 1px solid rgba(255,255,255,0.1);
  }
  .modal__divider span {
    padding: 1rem 0;
  }
}