/* ==== FONDATIONS GÉNÉRALES ==== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f5f7fa;
  color: #1c1c1c;
  line-height: 1.6;
  padding: 0;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
  width: 100%;
}

:root {
  --bleu-profond: #0d1a2d;
  --vert-emeraude: #00a87e;
  --gris-clair: #e6eaf0;
  --blanc: #ffffff;
  --noir: #1c1c1c;
}

/* ==== HEADER & NAVIGATION ==== */
.site-header {
  background-color: var(--blanc);
  padding: 15px 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 100;
  width: 100%;
  box-sizing: border-box;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 160px;
  width: auto;
  margin-right: 0;
  display: block;
}

/* NAVIGATION */
.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.main-nav ul li {
  margin-left: 30px;
}

.main-nav ul li:first-child {
  margin-left: 0;
}

.main-nav ul li a {
  color: var(--noir);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 5px 0;
  position: relative;
  display: block;
}

.main-nav ul li a:hover {
  color: var(--vert-emeraude);
}

/* BURGER MENU BUTTON */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 2001;
}

.mobile-menu-toggle span {
  height: 4px;
  width: 28px;
  background: var(--bleu-profond);
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.3s;
  display: block;
}

/* ==== MENU BURGER RESPONSIVE ==== */
@media (max-width: 900px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    background: var(--blanc);
    justify-content: flex-start;
    align-items: center;
    padding-top: 80px;
    z-index: 2000;
    transition: all 0.3s;
  }
  .main-nav.nav-open {
    display: flex;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    width: 100%;
    align-items: center;
  }
  .main-nav ul li {
    width: 100%;
    text-align: center;
    margin: 0;
    border-bottom: 1px solid var(--gris-clair);
  }
  .main-nav ul li a {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--bleu-profond);
    padding: 1.2rem 0;
    width: 100%;
    display: block;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .logo-img {
    height: 45px;
  }
  .header-container {
    padding: 0 16px;
  }
}

@media (min-width: 901px) {
  .main-nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: transparent;
    height: auto;
    width: auto;
    align-items: center;
    padding-top: 0;
  }
  .main-nav ul {
    flex-direction: row;
    gap: 30px;
  }
  .main-nav ul li {
    border-bottom: none;
    margin: 0;
  }
  .main-nav ul li a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--noir);
    padding: 5px 0;
  }
  .mobile-menu-toggle {
    display: none !important;
  }
  .logo-img {
    height: 160px;
  }
  .header-container {
    padding: 0 20px;
  }
}

/* ==== HERO ==== */
section.hero {
  padding: 4rem 0;
  background-color: var(--blanc);
  border-bottom: 1px solid var(--gris-clair);
  width: 100%;
  box-sizing: border-box;
  display: block;
  padding-bottom: 4rem;
  margin-bottom: 4rem;
}

.hero-container-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
}

.hero-container-content .hero-text {
  padding: 0 1.5rem;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.hero-container-content .hero-text h1 {
  font-size: 2.2rem;
  color: var(--bleu-profond);
  margin-bottom: 1rem;
}

.hero-container-content .hero-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #333;
}

.hero-container-content .hero-image {
  flex: 1 1 450px;
  min-width: 300px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-container-content .hero-image img {
  display: block;
  max-width: 100%;
  width: 90%;
  height: auto;
  margin: 1rem auto;
  object-fit: contain;
  border-radius: 10px;
}

/* ==== CTA BUTTON ==== */
.cta-button {
  display: inline-block;
  text-align: center;
  margin: 1rem auto;
  background-color: var(--vert-emeraude);
  color: var(--blanc);
  padding: 0.8rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  transition: background 0.3s, color 0.3s;
  box-shadow: none;
}

.cta-button:hover {
  background-color: #007d5f;
  color: var(--blanc);
}

.cta-button.styled-button {
  background-color: transparent;
  color: var(--vert-emeraude);
  border: 2px solid var(--vert-emeraude);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s, transform 0.3s;
}

.cta-button.styled-button:hover {
  background-color: var(--vert-emeraude);
  color: var(--blanc);
  border-color: var(--vert-emeraude);
}

.cta-button.styled-button .arrow {
  margin-left: 10px;
  transition: margin-left 0.3s;
}

.cta-button.styled-button:hover .arrow {
  margin-left: 15px;
}

/* ==== SERVICES ==== */
.services {
  padding: 4rem 0;
  background-color: var(--gris-clair);
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  display: block;
}

.services h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--bleu-profond);
}

.service-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.service-card {
  background: var(--blanc);
  padding: 2rem;
  border-radius: 10px;
  width: 300px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--gris-clair);
  text-align: left;
  box-sizing: border-box;
}

.service-card h3 {
  color: var(--bleu-profond);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.95rem;
  color: #333;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--vert-emeraude);
}

.service-card:nth-child(1) {
  background: linear-gradient(135deg, var(--bleu-profond) 80%, var(--gris-clair) 100%);
  color: var(--blanc);
}
.service-card:nth-child(2) {
  background: linear-gradient(135deg, var(--vert-emeraude) 80%, var(--gris-clair) 100%);
  color: var(--blanc);
}
.service-card:nth-child(3) {
  background: linear-gradient(135deg, #2b4a7a 85%, var(--gris-clair) 100%);
  color: var(--blanc);
}
.service-card:nth-child(3) h3,
.service-card:nth-child(3) p {
  color: var(--blanc);
}

.service-card h3, .service-card p {
  color: inherit;
}

/* ==== FOOTER ==== */
footer {
  padding: 1.5rem 0;
  background-color: var(--bleu-profond);
  color: var(--blanc);
  font-size: 0.9rem;
  text-align: center;
  margin-top: 40px;
  width: 100%;
  box-sizing: border-box;
}

.footer-container {
  align-items: center;
}

.footer-text-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 0;
  flex-wrap: nowrap;
  box-sizing: border-box;
}

.footer-text-links span,
.footer-text-links a {
  display: inline-block;
  margin: 0;
  white-space: normal;
  color: var(--blanc);
}

footer a {
  text-decoration: none;
  transition: text-decoration 0.3s, color 0.3s;
}

footer a:hover {
  text-decoration: underline;
  color: rgba(255, 255, 255, 0.8);
}

/* ==== RESPONSIVE ==== */
@media (max-width: 900px) {
  .header-container {
    padding: 0 16px;
  }
  .logo-img {
    height: 45px;
  }
  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    background: var(--blanc);
    justify-content: flex-start;
    align-items: center;
    padding-top: 80px;
    z-index: 2000;
    transition: all 0.3s;
  }
  .main-nav.nav-open {
    display: flex;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    width: 100%;
    align-items: center;
  }
  .main-nav ul li {
    width: 100%;
    text-align: center;
    margin: 0;
    border-bottom: 1px solid var(--gris-clair);
  }
  .main-nav ul li a {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--bleu-profond);
    padding: 1.2rem 0;
    width: 100%;
    display: block;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  /* HERO */
  .hero-container-content {
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
  }
  .hero-container-content .hero-image {
    justify-content: center;
    margin-bottom: 1.5rem;
  }
  .hero-container-content .hero-text {
    padding: 0 1rem;
    text-align: center;
  }
  section.hero {
    margin-bottom: 2.5rem;
    padding-bottom: 0;
  }
  /* SERVICES */
  .service-list {
    flex-direction: column;
    gap: 1.5rem;
  }
  .service-card {
    width: 95%;
    margin: 0 auto;
  }
  /* FOOTER */
  .footer-text-links {
    flex-direction: column;
    gap: 4px;
  }
}

@media (min-width: 901px) {
  .main-nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: transparent;
    height: auto;
    width: auto;
    align-items: center;
    padding-top: 0;
  }
  .main-nav ul {
    flex-direction: row;
    gap: 30px;
  }
  .main-nav ul li {
    border-bottom: none;
    margin: 0;
  }
  .main-nav ul li a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--noir);
    padding: 5px 0;
  }
  .mobile-menu-toggle {
    display: none !important;
  }
  .logo-img {
    height: 160px;
  }
  .header-container {
    padding: 0 20px;
  }
}

/* ==== UTILITAIRES ==== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* ==== AJOUTE ICI TES AUTRES BLOCS CSS SPÉCIFIQUES (blog, mentions légales, etc.) ==== */
/* Copie ici les blocs CSS spécifiques à tes autres pages si besoin *//* ==== EXPERTISE EN INTELLIGENCE ARTIFICIELLE ==== */
/* ...existing code... */
/* ==== EXPERTISE EN INTELLIGENCE ARTIFICIELLE ==== *//* Correction forcée split horizontal expertise-section */
.expertise-section {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  justify-content: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 4rem auto;
  padding: 2rem 0;
}

.expertise-text {
  flex: 1 1 0;
  min-width: 260px;
  text-align: left;
}

.expertise-image {
  flex: 1 1 0;
  min-width: 260px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.expertise-image img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

/* Responsive : empilement vertical sur mobile */
@media (max-width: 900px) {
  .expertise-section {
    flex-direction: column !important;
    gap: 24px;
    padding: 1.5rem 0;
  }
  .expertise-text,
  .expertise-image {
    min-width: 0;
    width: 100%;
    text-align: center;
  }
}

/* ==== POURQUOI CHOISIR NEXA AI ==== */
.why-choose-us-section {
  padding: 4rem 0;
  background: var(--blanc);
  width: 100%;
  box-sizing: border-box;
}
.why-choose-us-section h2,
.why-choose-us-section .section-title {
  text-align: center;
  width: 100%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.why-choose-us-list {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 30px;
  margin: 0 auto;
  max-width: 900px;
}

.why-choose-us-item {
  background: var(--gris-clair);
  border-radius: 8px;
  padding: 30px 20px;
  text-align: center;
  flex: 1 1 0;
  min-width: 0;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.why-choose-us-item img {
  height: 80px;
  width: auto;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.why-choose-us-item h3 {
  font-size: 1.1rem;
  color: var(--bleu-profond);
  margin-bottom: 0.5rem;
}

.why-choose-us-item p {
  font-size: 0.95rem;
  color: #333;
}

/* Responsive pour la section Pourquoi choisir */
@media (max-width: 900px) {
  .why-choose-us-list {
    flex-direction: column;
    gap: 18px;
    max-width: 100%;
  }
  .why-choose-us-item {
    max-width: 95vw;
    margin: 0 auto;
  }
  .why-choose-us-item img {
  height: 80px;
  width: auto;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
}/* ...existing code... */

/* Centrage et taille pour la section témoignages/cta */
.testimonials-section > h2,
.cta-section > h2,
.cta-section > .cta-title,
.testimonials-section > .section-title {
  text-align: center !important;
  width: 100%;
  display: block;
  margin-left: auto !important;
  margin-right: auto !important;
}

.cta-section .cta-button,
.cta-section .cta-btn,
.cta-section button,
.testimonials-section .cta-button,
.testimonials-section .cta-btn,
.testimonials-section button {
  display: block !important;
  margin: 2rem auto 0 auto !important;
  font-size: 1.3em !important;
  text-align: center !important;
}
.testimonials-section h2 {
  text-align: center !important;
  width: 100%;
  margin-left: auto !important;
  margin-right: auto !important;
  display: block;
}.cta-button.styled-button {
  display: block !important;
  margin: 2rem auto 0 auto !important;
  text-align: center !important;
  font-size: 1.3em !important;
  max-width: max-content;
}/* Centrage et mise en valeur de la section Appel à Action Final */
.cta-final-section h2,
.cta-final-section p {
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
  width: 100% !important;
  display: block !important;
}

.cta-final-section .cta-button.styled-button {
  display: block !important;
  margin: 2rem auto 0 auto !important;
  text-align: center !important;
  font-size: 1.3em !important;
  max-width: max-content !important;
}@media (max-width: 900px) {
  .logo-img {
    height: 90px !important;
  }
}html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

footer {
  margin-bottom: 0 !important;
}

hr {
  margin-bottom: 1rem;
}hr {
  margin-bottom: 0;
  height: 1px;
}.partenaires-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.partner-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin: 3rem 0;
}

.partner-logo img {
  max-width: 180px;
  height: auto;
}

.partner-text {
  max-width: 700px;
  text-align: justify;
}

@media (min-width: 768px) {
  .partner-block {
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }

  .partner-block.reverse {
    flex-direction: row-reverse;
  }

  .partner-text {
    padding: 0 2rem;
  }
}
/* === Expertises Section === */
.expertise-list-section {
  background-color: var(--gris-clair);
  padding: 60px 20px;
}

.expertise-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  margin-bottom: 60px;
}

@media (min-width: 768px) {
  .expertise-item.split-layout {
    flex-direction: row;
    justify-content: space-between;
    align-items: stretch;
  }

  .expertise-item.split-layout.reverse {
    flex-direction: row-reverse;
  }
}

.expertise-image {
  flex: 1;
  max-width: 500px;
}

.expertise-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.expertise-content {
  flex: 1;
  padding: 10px 20px;
}

.expertise-content h2 {
  font-size: 1.5rem;
  color: var(--bleu-profond);
  margin-bottom: 15px;
}

.expertise-content p {
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
}
/* Centrage horizontal du texte du hero d’intro */
.hero-section .hero-container-content {
  text-align: center;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.hero-section .hero-container-content h1,
.hero-section .hero-container-content p {
  margin-left: auto;
  margin-right: auto;
}

/* Split layout : alignement vertical du texte et de l'image */
.expertise-item.split-layout {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.expertise-item.split-layout.reverse {
  flex-direction: row-reverse;
}

.expertise-item .expertise-image {
  flex: 0 0 220px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.expertise-item .expertise-image img {
  max-width: 200px;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

.expertise-item .expertise-content {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

/* Responsive : empilement sur mobile */
@media (max-width: 900px) {
  .expertise-item.split-layout,
  .expertise-item.split-layout.reverse {
    flex-direction: column !important;
    align-items: stretch;
    gap: 1.5rem;
    text-align: center;
  }
  .expertise-item .expertise-image {
    justify-content: center;
    margin-bottom: 1rem;
  }
  .expertise-item .expertise-content {
    align-items: center;
  }
  .hero-section .hero-container-content {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }
}
.expertise-item {
  align-items: center;
}