/* Styles spécifiques à la page Veille Technologique */

/* Hero Section */
.veille-hero-section {
    min-height: 50vh;
    display: flex;
    align-items: center;
    padding: 7rem 0 4rem;
    position: relative;
    overflow: hidden;
  }
  
  .hero-container {
    text-align: center;
    z-index: 1;
  }
  
  .hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
  }
  
  @media (min-width: 768px) {
    .hero-title {
      font-size: 3rem;
    }
  }
  
  @media (min-width: 1024px) {
    .hero-title {
      font-size: 3.5rem;
    }
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    max-width: 48rem;
    margin: 0 auto;
  }
  
  @media (min-width: 768px) {
    .hero-subtitle {
      font-size: 1.25rem;
    }
  }
  
  .animate-on-scroll {
    transition: opacity 0.5s, transform 0.5s;
  }
  
  /* Introduction Section */
  .introduction-section {
    padding: 2.5rem 0;
    position: relative;
    z-index: 1;
  }
  
  .intro-card {
    max-width: 64rem;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
  }
  
  .intro-card-bg {
    position: absolute;
    inset: -1rem;
    background: linear-gradient(to right, var(--color-primary-light), var(--color-secondary-light));
    border-radius: var(--border-radius-2xl);
    transform: rotate(-1deg);
    opacity: 0.05;
    z-index: 0;
  }
  
  .intro-card-content {
    position: relative;
    background-color: var(--color-white);
    backdrop-filter: blur(8px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-100);
    padding: 2rem;
    z-index: 1;
  }
  
  .intro-title {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 1.5rem;
  }
  
  .intro-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    margin-right: 0.75rem;
    flex-shrink: 0;
  }
  
  .intro-text {
    padding-left: 1rem;
    border-left: 2px solid var(--color-primary-light);
    color: var(--color-gray-600);
    margin-bottom: 1rem;
  }
  
  .intro-text:last-child {
    margin-bottom: 0;
  }
  
  /* Focus Areas Section */
  .focus-areas-section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
  }
  
  .focus-areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
  }
  
  .focus-area-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
    position: relative;
    transition: all var(--transition-normal);
  }
  
  .focus-area-card:hover {
    transform: translateY(-0.5rem) scale(1.02);
    box-shadow: var(--shadow-xl);
  }
  
  .area-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 25%;
    height: 25%;
    background: linear-gradient(to bottom right, var(--color-primary-light), var(--color-secondary-light));
    opacity: 0.1;
    transform: translate(25%, -25%);
    border-bottom-left-radius: 100%;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    z-index: 0;
  }
  
  .focus-area-card:hover .area-bg {
    opacity: 0.2;
    transform: translate(0, 0);
  }
  
  .area-content {
    position: relative;
    padding: 1.5rem;
    z-index: 1;
  }
  
  .area-border {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 0.25rem;
    width: 0;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-normal);
  }
  
  .focus-area-card:hover .area-border {
    width: 100%;
  }
  
  .area-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--color-primary-light);
    border-radius: var(--border-radius-lg);
    margin-bottom: 1.25rem;
    color: var(--color-primary);
    transition: all var(--transition-normal);
  }
  
  .focus-area-card:hover .area-icon {
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
  }
  
  .area-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 0.75rem;
    transition: color var(--transition-normal);
  }
  
  .focus-area-card:hover .area-title {
    color: var(--color-primary);
  }
  
  .area-description {
    color: var(--color-gray-600);
  }
  
  /* Latest Articles Section */
  .latest-articles-section {
    padding: 5rem 0;
    background: linear-gradient(to bottom right, var(--color-gray-100), var(--color-gray-200));
    position: relative;
    z-index: 1;
  }
  
  .articles-container {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 64rem;
    margin: 0 auto;
  }
  
  .article-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
  }
  
  @media (min-width: 768px) {
    .article-card {
      flex-direction: row;
    }
  }
  
  .article-card:hover {
    transform: translateY(-0.25rem);
  }
  
  .article-image {
    position: relative;
    height: 15rem;
    overflow: hidden;
    flex-shrink: 0;
  }
  
  @media (min-width: 768px) {
    .article-image {
      width: 40%;
      height: auto;
    }
  }
  
  .image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, var(--color-primary), var(--color-secondary));
    opacity: 0.2;
    z-index: 1;
  }
  
  .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
  }
  
  .article-card:hover .article-image img {
    transform: scale(1.05);
  }
  
  .article-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
    background-color: var(--color-white);
    backdrop-filter: blur(4px);
    border-radius: var(--border-radius-full);
    padding: 0.25rem 1rem;
    box-shadow: var(--shadow-md);
  }
  
  .article-category span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
  }
  
  .article-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }
  
  @media (min-width: 768px) {
    .article-content {
      padding: 2rem;
      width: 60%;
    }
  }
  
  .article-meta {
    margin-bottom: 0.5rem;
  }
  
  .article-date {
    font-size: 0.875rem;
    color: var(--color-gray-500);
  }
  
  .article-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 0.75rem;
    transition: color var(--transition-normal);
  }
  
  .article-card:hover .article-title {
    color: var(--color-primary);
  }
  
  .article-divider {
    width: 4rem;
    height: 0.25rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-full);
    margin-bottom: 1rem;
  }
  
  .article-summary {
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
    flex-grow: 1;
  }
  
  .article-link {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 500;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    align-self: flex-start;
  }
  
  .article-link svg {
    margin-left: 0.5rem;
    transition: transform var(--transition-normal);
  }
  
  .article-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
  }
  
  .article-link:hover svg {
    transform: translateX(0.25rem);
  }
  
  /* Timeline Section */
  .timeline-section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
  }
  
  .timeline-container {
    position: relative;
    max-width: 64rem;
    margin: 0 auto;
  }
  
  .timeline-line {
    position: absolute;
    left: 1.5rem;
    top: 0;
    bottom: 0;
    width: 0.25rem;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary), var(--color-primary));
    border-radius: var(--border-radius-full);
    z-index: 0;
  }
  
  @media (min-width: 768px) {
    .timeline-line {
      left: 6rem;
    }
  }
  
  .timeline-events {
    position: relative;
    z-index: 1;
  }
  
  .timeline-event {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
    opacity: 0;
    transform: translateX(-1.25rem);
  }
  
  .timeline-event.animated {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  
  .timeline-event:last-child {
    margin-bottom: 0;
  }
  
  .event-year {
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 3rem;
    text-align: right;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
  }
  
  @media (min-width: 768px) {
    .event-year {
      position: relative;
      top: auto;
      width: 6rem;
      font-size: 1rem;
    }
  }
  
  .event-dot {
    position: relative;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    margin: 0 1rem;
    background-color: var(--color-white);
    border: 4px solid var(--color-primary);
    border-radius: var(--border-radius-full);
    z-index: 1;
  }
  
  @media (min-width: 768px) {
    .event-dot {
      margin: 0 2rem;
    }
  }
  
  .event-content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    padding: 1.5rem;
    transition: all var(--transition-normal);
    flex-grow: 1;
  }
  
  .event-content:hover {
    transform: translateX(0.25rem);
    box-shadow: var(--shadow-lg);
  }
  
  .event-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 0.5rem;
    transition: color var(--transition-normal);
  }
  
  .event-content:hover .event-title {
    color: var(--color-primary);
  }
  
  .event-description {
    color: var(--color-gray-600);
  }
  
  /* Newsletter Section */
  .newsletter-section {
    padding: 5rem 0;
    background: linear-gradient(to bottom right, var(--color-primary-light), var(--color-secondary-light));
    position: relative;
    z-index: 1;

  }
  
  .newsletter-card {
    max-width: 48rem;
    margin: 0 auto;
    background-color: var(--color-white);
    backdrop-filter: blur(8px);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-100);
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  
  .decoration {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(to bottom right, var(--color-primary-light), var(--color-secondary-light));
  }
  
  .decoration-1 {
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    transform: translate(25%, -25%);
  }
  
  .decoration-2 {
    bottom: 0;
    left: 0;
    width: 8rem;
    height: 8rem;
    transform: translate(-25%, 25%);
  }
  
  .newsletter-content {
    position: relative;
    z-index: 1;
  }
  
  .newsletter-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin: 0 auto 1.5rem;
  }
  
  .newsletter-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 1rem;
  }
  
  .newsletter-text {
    color: var(--color-gray-600);
    max-width: 32rem;
    margin: 0 auto 2rem;
  }
  
  .newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 32rem;
    margin: 0 auto;
  }
  
  @media (min-width: 640px) {
    .newsletter-form {
      flex-direction: row;
    }
  }
  
  .newsletter-input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    background-color: var(--color-white);
    color: var(--color-gray-800);
    font-size: 1rem;
  }
  
  .newsletter-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
    border-color: var(--color-primary);
  }
  
  .newsletter-button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    font-weight: 500;
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    flex-shrink: 0;
  }
  
  .newsletter-button:hover {
    transform: translateY(-0.25rem);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(to right, var(--color-primary-dark), var(--color-secondary-dark));
  }
  
  /* Animation Utilities */
  .animate-from-bottom {
    opacity: 0;
    transform: translateY(1.875rem);
  }
  
  .animate-from-bottom.animated {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  
  .animate-from-side {
    opacity: 0;
    transform: translateX(-1.875rem);
  }
  
  .animate-from-side.animated {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  /* Dark Mode Styles */
  .dark-mode .veille-hero-section {
    color: var(--color-gray-200);
  }
  
  .dark-mode .hero-subtitle {
    color: var(--color-gray-300);
  }
  
  .dark-mode .intro-card-bg {
    opacity: 0.1;
  }
  
  .dark-mode .intro-card-content {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-700);
  }
  
  .dark-mode .intro-title {
    color: var(--color-white);
  }
  
  .dark-mode .intro-text {
    color: var(--color-gray-300);
    border-left-color: var(--color-secondary-dark);
  }
  
  .dark-mode .focus-area-card,
  .dark-mode .article-card,
  .dark-mode .event-content,
  .dark-mode .newsletter-card {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-700);
  }
  
  .dark-mode .area-title,
  .dark-mode .article-title,
  .dark-mode .event-title,
  .dark-mode .newsletter-title {
    color: var(--color-white);
  }
  
  .dark-mode .area-description,
  .dark-mode .article-summary,
  .dark-mode .event-description,
  .dark-mode .newsletter-text {
    color: var(--color-gray-300);
  }
  
  .dark-mode .area-icon {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--color-blue-400);
  }
  
  .dark-mode .area-bg {
    opacity: 0.2;
  }
  
  .dark-mode .focus-area-card:hover .area-icon {
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
  }
  
  .dark-mode .article-category {
    background-color: var(--color-gray-800);
  }
  
  .dark-mode .article-category span {
    color: var(--color-blue-400);
  }
  
  .dark-mode .article-date {
    color: var(--color-gray-400);
  }
  
  .dark-mode .article-link {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--color-blue-400);
  }
  
  .dark-mode .article-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
  }
  
  .dark-mode .event-dot {
    background-color: var(--color-gray-900);
  }
  
  .dark-mode .event-year {
    color: var(--color-blue-400);
  }
  
  .dark-mode .latest-articles-section {
    background: linear-gradient(to bottom right, var(--color-gray-800), var(--color-gray-900));
  }
  
  .dark-mode .newsletter-section {
    background: linear-gradient(to bottom right, rgba(30, 58, 138, 0.2), rgba(91, 33, 182, 0.2));
  }
  
  .dark-mode .decoration {
    background: linear-gradient(to bottom right, rgba(59, 130, 246, 0.2), rgba(124, 58, 237, 0.2));
  }
  
  .dark-mode .newsletter-input {
    background-color: var(--color-gray-700);
    border-color: var(--color-gray-600);
    color: var(--color-white);
  }
  
  .dark-mode .newsletter-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
    border-color: var(--color-blue-500);
  }

  /* Méthodologie & Outils */
.methodology-section {
  padding: 4rem 0;
  background-color: var(--color-gray-50);
}
.methodology-section .section-title {
  margin-bottom: 1rem;
}
.methodology-list {
  margin: 1.5rem 0 0 1.5rem;
  list-style-type: disc;
  color: var(--color-gray-700);
}
.methodology-list li {
  margin-bottom: 0.75rem;
}