/* ====== VARIABLES & RESET ====== */
:root {
  /* Couleurs */
  --primary: #0cb5e9;
  --primary-light: rgba(12, 181, 233, 0.1);
  --primary-dark: #0a9bc8;
  --secondary: #f28a18;
  --secondary-light: rgba(242, 138, 24, 0.1);
  --secondary-dark: #d97a15;
  
  /* Neutres */
  --dark: #2c3e50;
  --darker: #1a252f;
  --light: #f8f9fa;
  --lighter: #ffffff;
  --gray: #6c757d;
  --gray-light: #e9ecef;
  
  /* Effets */
  --border-radius: 12px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--lighter);
  overflow-x: hidden;
}

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

section {
  padding: 100px 0;
}

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

/* ====== TYPOGRAPHIE ====== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 2.2rem; }
h4 { font-size: 1.8rem; }

p {
  margin-bottom: 1.5rem;
  color: var(--gray);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  color: var(--secondary);
}

.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
}

.divider-line {
  width: 50px;
  height: 2px;
  background: var(--primary);
}

.divider-icon {
  margin: 0 15px;
  font-size: 1.2rem;
  color: var(--secondary);
}

/* ====== BOUTONS ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--lighter);
  box-shadow: 0 4px 15px rgba(12, 181, 233, 0.3);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: var(--lighter);
  box-shadow: 0 4px 15px rgba(242, 138, 24, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid;
  transition: var(--transition);
}

.btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--lighter);
}

.btn-outline-secondary {
  border-color: var(--secondary);
  color: var(--secondary);
}

.btn-outline-secondary:hover {
  background: var(--secondary);
  color: var(--lighter);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ====== HEADER ====== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.header.scrolled {
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.navbar {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 30px;
  position: relative;
}

.nav-link {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 5px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--dark);
  transition: var(--transition);
}

/* ====== HERO SECTION ====== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  color: white;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: white;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ====== SOLUTIONS SECTION ====== */
.solutions {
  background-color: var(--light);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.solution-card {
  background-color: var(--lighter);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
  border: 1px solid var(--gray-light);
}

.solution-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
  border-color: var(--primary-light);
}

.solution-icon {
  width: 80px;
  height: 80px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  color: var(--secondary);
  font-size: 30px;
  transition: var(--transition);
}

.solution-card:hover .solution-icon {
  background-color: var(--secondary);
  color: var(--lighter);
}

.solution-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

.solution-link i {
  margin-left: 8px;
  transition: var(--transition);
}

.solution-link:hover {
  color: var(--primary-dark);
}

.solution-link:hover i {
  transform: translateX(5px);
}

/* ====== SERVICES SECTION ====== */
.services {
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://www.transparenttextures.com/patterns/always-grey.png');
  opacity: 0.03;
  z-index: -1;
}

.services-grid {
  display: grid;
  gap: 40px;
}

.service-card {
  background-color: var(--lighter);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--box-shadow-hover);
}

.service-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 6px 18px;
  border-radius: 20px;
  color: var(--lighter);
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
  background: var(--secondary);
  box-shadow: 0 4px 10px rgba(242, 138, 24, 0.3);
}

.service-image {
  height: 300px;
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.1);
}

.service-content {
  padding: 30px;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.service-content h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.service-description {
  font-size: 1rem;
  margin-bottom: 25px;
  color: var(--gray);
}

.service-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.feature-item {
  padding: 20px;
  border-radius: 8px;
  transition: var(--transition);
  background-color: var(--light);
}

.feature-item:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 15px;
  display: inline-block;
  transition: var(--transition);
}

.feature-item:hover .feature-icon {
  transform: rotate(15deg) scale(1.2);
}

.feature-item h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.feature-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ====== PARTNERS SECTION ====== */
.partners {
  background-color: var(--light);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.partner-card {
  background-color: var(--lighter);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-light);
}

.partner-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: var(--transition);
}

.partner-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

.partner-card:hover::before {
  transform: scaleX(1);
}

.partner-logo {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.partner-logo img {
  max-width: 100%;
  max-height: 60px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.partner-card:hover .partner-logo img {
  filter: grayscale(0);
  opacity: 1;
}

.partner-name {
  font-size: 1.3rem;
  margin-top: 15px;
  color: var(--dark);
}

.partner-category {
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 5px;
  display: block;
}

/* ====== CLIENT AREA SECTION ====== */
.client-area {
  position: relative;
}

.client-area-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
  align-items: center;
}

.client-area-text h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--dark);
}

.client-area-text p {
  color: var(--gray);
  margin-bottom: 30px;
}

.client-area-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.client-area-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s ease;
}

.client-area-image:hover img {
  transform: scale(1.05);
}

/* ====== CONTACT SECTION ====== */
.contact {
  background-color: var(--light);
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.contact-info {
  display: grid;
  gap: 30px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-info-item i {
  width: 50px;
  height: 50px;
  background-color: var(--secondary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-item h3 {
  font-size: 1.3rem;
  margin-bottom: 5px;
  color: var(--dark);
}

.contact-info-item p {
  color: var(--gray);
  margin-bottom: 0;
}

.contact-form {
  background-color: var(--lighter);
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--gray-light);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ====== FOOTER ====== */
.footer {
  background-color: var(--darker);
  color: var(--lighter);
  padding: 80px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-about h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--lighter);
}

.footer-about p {
  opacity: 0.8;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lighter);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

.footer-links h3,
.footer-newsletter h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--lighter);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(5px);
}

.newsletter-form {
  display: flex;
  margin-top: 20px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 15px;
  border: none;
  border-radius: 5px 0 0 5px;
  font-family: inherit;
}

.newsletter-form button {
  width: 50px;
  background-color: var(--primary);
  color: var(--lighter);
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background-color: var(--primary-dark);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.8;
  font-size: 0.9rem;
}

/* ====== ANIMATIONS ====== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-card, .partner-card {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.3s; }
.partner-card:nth-child(1) { animation-delay: 0.1s; }
.partner-card:nth-child(2) { animation-delay: 0.2s; }
.partner-card:nth-child(3) { animation-delay: 0.3s; }
.partner-card:nth-child(4) { animation-delay: 0.4s; }

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1200px) {
  html { font-size: 15px; }
  section { padding: 80px 0; }
}

@media (max-width: 992px) {
  html { font-size: 14.5px; }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    background-color: var(--lighter);
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-item {
    margin: 15px 0;
  }
  
  .hero {
    padding-top: 80px;
    background-attachment: scroll;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .client-area-content {
    grid-template-columns: 1fr;
  }
  
  .client-area-image {
    order: -1;
  }
}

@media (max-width: 576px) {
  html { font-size: 14px; }
  section { padding: 60px 0; }
  
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .service-card, .solution-card {
    padding: 30px 20px;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: 30px;
  }
}

/* Styles pour la section sauvegarde */
.feature-list {
    list-style: none;
    margin-top: 10px;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.feature-list i.fas {
    font-size: 0.8rem;
}


.solution-item {
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.solution-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.solution-item i {
    font-size: 1.2rem;
}

/* Animation spécifique pour cette carte */
.service-card:nth-child(3) {
    animation-delay: 0.5s;
}

/* Styles spécifiques NAS */
.nas-features {
    margin-top: 15px;
}

.nas-features li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--gray-light);
}

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

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.advantage-item {
    text-align: center;
    padding: 15px;
    background-color: var(--lighter);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 1.2rem;
}

.advantage-item p {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0;
}

.pricing-badge {
    margin-top: 20px;
    text-align: center;
    font-weight: 600;
}

.price {
    font-size: 1.5rem;
    display: block;
    margin-top: 5px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    flex-wrap: wrap;
}

/* Responsive NAS */
@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

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