/*
Theme Name: Institut Voltaire
Description: Thème moderne et créatif pour think tank
Version: 1.0.0
*/

/* === VARIABLES CSS === */
:root {
  --primary: #5ccdeb;
  --dark-blue: #3c4689;
  --black: #000000;
  --white: #ffffff;
  --gray-dark: #292b38;
  --gray-medium: #666666;
  --gray-light: #f8f9fa;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --font-family: "Noto Sans", sans-serif;
  --linear-gradient: linear-gradient(
    135deg,
    #1a1a2e 0%,
    #16213e 50%,
    #0f3460 100%
  );
  --transition: all 0.3s ease;
}

/* === RESET & BASE === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--white);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* === NAVIGATION VERTICALE === */
.vertical-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-lg) 0;
  border-right: 1px solid rgba(92, 205, 235, 0.2);
}

.nav-logo {
  position: relative;
  margin-bottom: var(--space-xl);
}

.logo-symbol {
  width: 60px;
  height: 60px;
  background: var(--linear-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 2rem;
  text-decoration: none;
}

.logo-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-pulse {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  animation: pulseRing 2s cubic-bezier(0.25, 0, 0, 1) infinite;
}

@keyframes pulseRing {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  80%,
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

.nav-menu {
  flex: 1;
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

.nav-menu a {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  color: var(--gray-dark);
  font-weight: 500;
  font-size: 0.9rem;
  padding: var(--space-xs);
  position: relative;
  transition: var(--transition);
}

.nav-menu a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--primary);
  transform: translateY(-50%);
  transition: var(--transition);
}

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

.nav-menu a:hover::before,
.nav-menu a.active::before {
  height: 40px;
}

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

.nav-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(92, 205, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: var(--transition);
}

.nav-social a:hover {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.1);
}

/* === MENU MOBILE === */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 1050;
  width: 54px;
  height: 54px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(92, 205, 235, 0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.mobile-menu-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(92, 205, 235, 0.3);
}

.mobile-menu-toggle.active {
  background: var(--primary);
  border-color: var(--primary);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background: var(--gray-dark);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line {
  background: var(--white);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--linear-gradient);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-xl);
}

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

.mobile-nav-menu {
  list-style: none;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.mobile-nav-menu li {
  margin-bottom: 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-overlay.active .mobile-nav-menu li {
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav-menu li:nth-child(1) {
  transition-delay: 0.1s;
}
.mobile-nav-menu li:nth-child(2) {
  transition-delay: 0.15s;
}
.mobile-nav-menu li:nth-child(3) {
  transition-delay: 0.2s;
}
.mobile-nav-menu li:nth-child(4) {
  transition-delay: 0.25s;
}
.mobile-nav-menu li:nth-child(5) {
  transition-delay: 0.3s;
}
.mobile-nav-menu li:nth-child(6) {
  transition-delay: 0.35s;
}

.mobile-nav-menu a {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  padding: var(--space-sm) var(--space-md);
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.mobile-nav-menu a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.mobile-nav-menu a:hover::before {
  left: 100%;
}

.mobile-nav-menu a:hover {
  color: var(--primary);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.05);
}

.mobile-nav-menu a:active {
  transform: translateY(-2px);
}

.mobile-social-links {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: 0.4s;
}

.mobile-menu-overlay.active .mobile-social-links {
  opacity: 1;
  transform: translateY(0);
}

.mobile-social-links a {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-social-links a:hover {
  background: var(--primary);
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(92, 205, 235, 0.4);
}

.mobile-social-links a:active {
  transform: scale(1.05);
}

/* Menu mobile - Indicateur de page active */
.mobile-nav-menu a.active {
  color: var(--primary);
  background: rgba(92, 205, 235, 0.1);
  border: 1px solid rgba(92, 205, 235, 0.3);
}

.mobile-nav-menu a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

/* Animation de fermeture du menu */
.mobile-menu-overlay.closing {
  animation: menuFadeOut 0.3s ease forwards;
}

@keyframes menuFadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.mobile-menu-overlay.closing .mobile-nav-menu li {
  animation: menuItemSlideOut 0.3s ease forwards;
}

@keyframes menuItemSlideOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

/* === CONTENEUR PRINCIPAL === */
.main-container {
  margin-left: 100px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
}

/* === HERO SECTION === */
.hero-section {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  scroll-margin-top: 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.bg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.layer-1 {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.layer-2 {
  background: radial-gradient(
    ellipse at 20% 30%,
    rgba(92, 205, 235, 0.1) 0%,
    transparent 50%
  );
}

.layer-3 {
  background: radial-gradient(
    ellipse at 80% 70%,
    rgba(60, 70, 137, 0.1) 0%,
    transparent 50%
  );
  animation: floatLayer 8s ease-in-out infinite;
}

@keyframes floatLayer {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(20px, -20px) scale(1.05);
  }
}

.hero-content {
  max-width: 800px;
  text-align: center;
  z-index: 2;
  position: relative;
  padding: var(--space-xl);
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(92, 205, 235, 0.1);
  border: 1px solid var(--primary);
  border-radius: 50px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
  animation: fadeInUp 0.8s ease-out backwards;
}

.title-line:nth-child(1) {
  animation-delay: 0.4s;
}
.title-line:nth-child(2) {
  animation-delay: 0.6s;
}

.title-line.accent {
  background: linear-gradient(45deg, var(--primary), var(--white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--primary);
  border-radius: 50px;
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  animation: fadeInUp 0.8s ease-out 1s backwards;
}

.btn-hero:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(92, 205, 235, 0.3);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  z-index: 2;
}

.scroll-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* === SECTIONS === */
.section {
  padding: 100px 0;
  position: relative;
  scroll-margin-top: 2rem;
}

.section h2 {
  text-transform: uppercase;
}

.section-dark {
  background: var(--linear-gradient);
  color: var(--white);
}

.section-light {
  background: var(--gray-light);
  color: var(--gray-dark);
}

.section-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .section-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.section-info {
  position: sticky;
  top: 120px;
}

.section-header {
  text-align: left;
  margin-bottom: 0;
}

.section-number {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(92, 205, 235, 0.1);
  border: 1px solid var(--primary);
  border-radius: 20px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.section-description {
  font-size: 1.1rem;
  opacity: 0.8;
  line-height: 1.6;
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: 2px solid var(--primary);
  border-radius: 50px;
  color: var(--primary);
  font-weight: 600;
  margin-top: var(--space-md);
  transition: var(--transition);
}

.view-all-link:hover {
  background: var(--primary);
  color: var(--white);
}

/* === SLIDERS === */
.slider-container {
  position: relative;
  overflow: hidden;
}

.slider-content {
  display: flex;
  transition: transform 0.3s ease;
}

.slider-item {
  flex: 0 0 33.333%;
  padding: 0 var(--space-sm);
  min-width: 0;
  box-sizing: border-box;
}

.analyses-slider .slider-item {
  flex: 0 0 66.666%;
}

.debats-slider .slider-item {
  flex: 0 0 50%;
}

.team-slider .slider-item {
  flex: 0 0 33.333%;
}

/* Responsive sliders */
@media (max-width: 1024px) {
  .analyses-slider .slider-item {
    flex: 0 0 50%;
  }
  
  .debats-slider .slider-item {
    flex: 0 0 50%;
  }

  .team-slider .slider-item {
    flex: 0 0 50%;
  }
}

@media (max-width: 768px) {
  .slider-item {
    flex: 0 0 100% !important;
    padding: 0 var(--space-xs);
  }
}

.slider-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-md);
}

.slider-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(92, 205, 235, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.slider-btn:hover {
  background: var(--primary);
  color: var(--white);
}

.slider-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === MANIFESTE === */
.manifeste-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.manifeste-card {
  position: relative;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(92, 205, 235, 0.2);
  border-radius: 5px;
  text-align: center;
  transition: var(--transition);
  transform: translateY(30px);
  opacity: 0;
}

.manifeste-card.animate {
  transform: translateY(0);
  opacity: 1;
}

.manifeste-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(92, 205, 235, 0.2);
}

.card-icon {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
  color: var(--white);
}

.card-number {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
}

.manifeste-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

/* === ANALYSES === */
.analyses-showcase {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.showcase-item {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.showcase-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.item-visual {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.item-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary), var(--dark-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
}

.item-content {
  padding: var(--space-lg);
  min-width: 0;
  box-sizing: border-box;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.item-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.meta-category {
  padding: var(--space-xs) var(--space-sm);
  background: var(--primary);
  color: var(--white);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.meta-date {
  color: var(--gray-medium);
  font-size: 0.9rem;
  padding: var(--space-xs) var(--space-sm);
}

.item-content h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
  color: var(--gray-dark);
}

.item-content p {
  color: var(--gray-medium);
  margin-bottom: var(--space-md);
}

.item-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
  margin-top: auto;
}

.item-link:hover {
  gap: var(--space-md);
}

.coming-soon {
  text-align: center;
  padding: var(--space-xl);
}

.coming-icon {
  width: 80px;
  height: 80px;
  background: rgba(92, 205, 235, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
  color: var(--primary);
}

.coming-soon h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--gray-dark);
}

.coming-soon p {
  color: var(--gray-medium);
}

/* === DÉBATS === */
.debats-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.event-card {
  position: relative;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(92, 205, 235, 0.2);
  border-radius: 20px;
  transition: var(--transition);
  width: 100%;
  box-sizing: border-box;
}

.event-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(92, 205, 235, 0.2);
}

.event-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: var(--primary);
  color: var(--white);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.event-date {
  text-align: center;
  margin-bottom: var(--space-md);
}

.date-day {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.date-month {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
}

.date-year {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 0.25rem;
  opacity: 0.8;
}

.event-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.event-card h3 a {
  color: inherit;
  transition: var(--transition);
}

.event-card h3 a:hover {
  color: var(--primary);
}

.detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.detail-item i {
  color: var(--primary);
  width: 16px;
}

.event-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-md);
  background: var(--primary);
  border: none;
  border-radius: 50px;
  color: var(--white);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: var(--font-family);
  text-align: center;
}

.event-btn:hover {
  background: var(--dark-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.no-events {
  text-align: center;
  padding: var(--space-xl);
}

.no-events-icon {
  width: 80px;
  height: 80px;
  background: rgba(92, 205, 235, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
  color: var(--primary);
}

.no-events h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.no-events p {
  color: rgba(255, 255, 255, 0.7);
}

/* === ÉQUIPE === */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.team-member {
  text-align: center;
  padding: var(--space-lg);
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.member-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.member-info h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
  color: var(--gray-dark);
}

.member-info p {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.member-info span {
  color: var(--gray-medium);
  font-size: 0.9rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.member-social {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
}

.member-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(92, 205, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.member-social a:hover {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.1);
}

/* === CONTACT === */
#contact .container {
  max-width: 800px;
}

#contact .section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

#contact .section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

#contact .section-description {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-form-container {
  max-width: 800px;
  margin: 0 auto;
}

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

.form-field {
  position: relative;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(92, 205, 235, 0.3);
  border-radius: 10px;
  font-family: var(--font-family);
  transition: var(--transition);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(92, 205, 235, 0.1);
}

.submit-btn {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--primary);
  border: none;
  border-radius: 50px;
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
}

.submit-btn:hover {
  background: var(--dark-blue);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(92, 205, 235, 0.3);
}

/* === FOOTER === */
.footer {
  margin-left: 100px;
  position: relative;
  z-index: 1;
}

.newsletter-section {
  background: var(--gray-light);
  padding: 60px 0;
}

/* === SECTION PARTENAIRES === */
.partners-section {
  background: var(--white);
  padding: 60px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.partners-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-dark);
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
  align-items: center;
  justify-items: center;
}

.partner-item {
  width: 100%;
  max-width: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  transition: var(--transition);
}

.partner-item a {
  display: block;
  width: 100%;
  transition: var(--transition);
}

.partner-item:hover {
  transform: translateY(-5px);
}

.partner-item:hover a {
  opacity: 0.8;
}

.partner-logo {
  width: 100%;
  height: auto;
  max-height: 80px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: var(--transition);
}

.partner-item:hover .partner-logo {
  filter: grayscale(0%);
}

.partner-placeholder {
  padding: var(--space-md);
  background: var(--gray-light);
  border: 2px dashed var(--gray-medium);
  text-align: center;
  font-weight: 600;
  color: var(--gray-medium);
  font-size: 0.9rem;
}

.newsletter-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (max-width: 1024px) {
  .newsletter-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }
}

.newsletter-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--gray-dark);
}

.newsletter-text {
  color: var(--gray-medium);
  font-size: 1.1rem;
}

.newsletter-form-inner {
  max-width: 400px;
}

.form-group {
  display: flex;
  margin-bottom: var(--space-md);
}

.form-group input {
  flex: 1;
  padding: var(--space-md);
  border: 1px solid #ddd;
  border-radius: 50px 0 0 50px;
  font-family: var(--font-family);
  min-width: 0;
}

@media (max-width: 480px) {
  .form-group {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .form-group input {
    border-radius: 50px;
  }

  .btn-submit {
    border-radius: 50px;
    justify-content: center;
  }
}

.btn-submit {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--primary);
  border: none;
  border-radius: 0 50px 50px 0;
  color: var(--white);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  background: var(--dark-blue);
}

.form-consent {
  font-size: 0.9rem;
  color: var(--gray-medium);
}

.form-consent input {
  margin-right: var(--space-sm);
}

.footer-main {
  background: var(--linear-gradient);
  padding: 60px 0 30px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-logo .logo-symbol {
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-nav h3,
.footer-contact h3,
.footer-social h3 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: 1.2rem;
}

.footer-menu {
  list-style: none;
}

.footer-menu li {
  margin-bottom: var(--space-sm);
}

.footer-menu a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-menu a:hover {
  color: var(--primary);
}

.footer-contact address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-contact a {
  color: var(--primary);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--primary);
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.7);
}

/* === PAGES ET POSTS === */
.page-header {
  padding: 120px 0 60px;
  text-align: center;
  background: var(--linear-gradient);
  color: var(--white);
}

.content-with-nav .page-header {
  padding-top: 140px;
}

.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.archive-description {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1rem;
  opacity: 0.9;
  line-height: 1.6;
}

.content-area {
  padding: 80px 0;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.post-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.post-thumbnail {
  height: 200px;
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.post-card:hover .post-thumbnail img {
  transform: scale(1.05);
}

.post-content {
  padding: var(--space-lg);
}

.post-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  justify-content: center;
}

.post-date {
  color: var(--gray-medium);
  padding: var(--space-xs) var(--space-sm);
  background: var(--gray-light);
  color: #000;
  border-radius: 15px;
  font-weight: 600;
}

.post-category {
  background: var(--primary);
  color: var(--white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 15px;
  font-weight: 600;
}

.post-title a {
  color: var(--gray-dark);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  transition: var(--transition);
}

.post-title a:hover {
  color: var(--primary);
}

.post-excerpt {
  color: var(--gray-medium);
  margin: var(--space-md) 0;
  line-height: 1.6;
}

.read-more {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition);
}

.read-more:hover {
  gap: var(--space-md);
}

/* === PAGINATION === */
.pagination-wrapper {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: center;
}

.pagination {
  display: flex;
  justify-content: center;
}

.pagination-list {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  align-items: center;
}

.pagination-item {
  display: flex;
}

.pagination-item a,
.pagination-item span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: var(--space-sm);
  background: var(--white);
  border: 1px solid var(--primary);
  border-radius: 50%;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.pagination-item a:hover,
.pagination-item .current {
  background: var(--primary);
  color: var(--white);
}

.pagination-item .prev,
.pagination-item .next {
  min-width: auto;
  padding: var(--space-sm) var(--space-md);
  border-radius: 25px;
  gap: var(--space-sm);
}

/* === NO POSTS === */
.no-posts {
  text-align: center;
  padding: var(--space-xl) 0;
  color: var(--gray-dark);
}

.no-posts-icon {
  width: 100px;
  height: 100px;
  background: rgba(92, 205, 235, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 2.5rem;
  color: var(--primary);
}

.no-posts h2 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--gray-dark);
}

.no-posts p {
  font-size: 1.1rem;
  color: var(--gray-medium);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === SINGLE POSTS === */
.single-post {
  background: var(--white);
  color: var(--gray-dark);
}

.post-header {
  background: var(--linear-gradient);
  color: var(--white);
  padding: 120px 0 80px;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 0;
}

.content-wrapper h2,
.content-wrapper h3,
.content-wrapper h4 {
  color: var(--gray-dark);
  margin: var(--space-xl) 0 var(--space-md);
}

.content-wrapper p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

/* === ÉVÉNEMENTS SINGLE === */
.single-event-sidebar {
  min-height: 100vh;
}

.event-header-minimal {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--linear-gradient);
  color: var(--white);
}

.content-with-nav .event-header-minimal {
  padding-top: calc(var(--space-xl) + 80px);
}

.event-breadcrumb a {
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
}

.event-breadcrumb a:hover {
  color: var(--white);
}

.event-type-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(92, 205, 235, 0.2);
  border: 1px solid var(--primary);
  border-radius: 20px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin: var(--space-md) 0;
}

.event-title,
.post-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  max-width: 80vw;
  text-align: center;
  margin: var(--space-md) auto;
}

.event-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-xl);
}

.event-main-content {
  background: var(--white);
  border-radius: 20px;
  padding: var(--space-xl);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.event-description h2 {
  color: var(--gray-dark);
  margin-bottom: var(--space-lg);
  font-size: 2rem;
}

.event-description p {
  color: var(--gray-medium);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.event-sidebar {
  position: sticky;
  top: 120px;
}

.event-info-card {
  background: var(--linear-gradient);
  color: var(--white);
  border-radius: 20px;
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

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

.detail-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.detail-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.detail-content strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
  opacity: 0.8;
}

.detail-content span {
  font-size: 1.1rem;
  font-weight: 600;
}

.btn-primary,
.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.event-sidebar-actions a {
  margin: var(--space-md) 0;
}

.inscription-form {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.inscription-form .form-field label {
  color: var(--gray-dark);
}

.inscription-form .form-field input,
.inscription-form .form-field textarea {
  border: 2px solid #e1e5e9;
  background: var(--white);
  color: var(--gray-dark);
}

.inscription-form .form-field input:focus,
.inscription-form .form-field textarea:focus {
  border-color: var(--primary);
  box-shadow: none;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  .vertical-nav {
    width: 80px;
  }

  .main-container {
    margin-left: 80px;
  }

  .section-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .section-info {
    position: static;
  }

  .section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
  }

  .analyses-showcase,
  .debats-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    margin-left: -80px;
  }

  .event-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .event-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .vertical-nav {
    display: none;
  }

  .main-container {
    margin-left: 0;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-layout {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .section-info {
    position: static;
    max-width: 90vw;
  }

  .section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
  }

  .manifeste-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .footer {
    margin-left: 0;
  }

  .partners-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-lg);
  }

  .partner-item {
    max-width: 150px;
  }

  .slider-item {
    flex: 0 0 100% !important;
    max-width: 90vw;
  }

  .posts-grid {
    grid-template-columns: 1fr;
  }

  .pagination-list {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .pagination-item a,
  .pagination-item span {
    min-width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }

  .pagination-item .prev,
  .pagination-item .next {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
  }

  .no-posts-icon {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }

  .no-posts h2 {
    font-size: 1.6rem;
  }

  .event-main-content {
    padding: var(--space-lg);
  }

  .event-info-card {
    padding: var(--space-lg);
  }

  .inscription-form {
    padding: var(--space-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .event-header-minimal {
    padding: var(--space-lg) 0;
  }

  .content-with-nav .event-header-minimal {
    padding-top: calc(var(--space-lg) + 60px);
  }

  .container {
    padding: 0 var(--space-md);
  }

  .hero-content {
    padding: var(--space-lg);
  }

  .item-content {
    padding: var(--space-md);
  }

  .item-meta {
    gap: var(--space-xs);
  }

  .team-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .team-slider .slider-item {
    flex: 0 0 100% !important;
  }
  
  .team-member {
    padding: var(--space-md);
  }

  .event-card {
    padding: var(--space-md);
    max-width: 100%;
    box-sizing: border-box;
  }

  .analyses-showcase,
  .debats-grid {
    grid-template-columns: 1fr;
  }

  /* Débats slider mobile */
  .debats-slider .slider-content {
    max-width: 100%;
  }

  .debats-slider .slider-item {
    max-width: 90vw;
    padding: 0 var(--space-xs);
  }

  .event-slider-item {
    max-width: 90vw;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 2rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .manifeste-card,
  .team-member {
    padding: var(--space-md);
  }

  .mobile-nav-menu a {
    font-size: 1.5rem;
  }

  .newsletter-title {
    font-size: 2rem;
  }

  .page-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .slider-item {
    padding: 0 var(--space-xs);
    max-width: 90vw;
  }

  .slider-nav {
    max-width: 90vw;
  }

  .item-content h3 {
    font-size: 1.1rem;
  }

  .event-card {
    padding: var(--space-sm);
    margin: 0 auto;
    max-width: 95vw;
  }

  .event-card h3 {
    font-size: 1.2rem;
  }

  .event-date {
    margin-bottom: var(--space-sm);
  }

  .date-day {
    font-size: 2rem;
  }

  .event-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
  }

  /* Débats slider très petits écrans */
  .debats-slider .slider-item {
    max-width: 95vw;
    padding: 0 var(--space-xs);
  }

  .event-slider-item {
    max-width: 95vw;
  }

  .slider-container {
    max-width: 100vw;
    overflow: hidden;
  }

  * {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .partner-item {
    max-width: 120px;
    padding: var(--space-sm);
  }

  .partners-title {
    font-size: 1.5rem;
  }
}

/* === NAVIGATION ENTRE ARTICLES === */
.post-footer {
  background: var(--gray-light);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xl);
}

.post-navigation {
  max-width: 800px;
  margin: 0 auto;
}

.nav-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-dark);
  margin-bottom: var(--space-xl);
  position: relative;
}

.nav-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--primary);
  margin: var(--space-md) auto 0;
  border-radius: 2px;
}

.nav-articles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.nav-article {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  border: 2px solid transparent;
}

.nav-article:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary);
}

.nav-direction {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--primary), var(--dark-blue));
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
}

.nav-previous .nav-direction {
  justify-content: flex-start;
}

.nav-next .nav-direction {
  justify-content: flex-end;
}

.nav-article-content {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: var(--space-lg);
  transition: var(--transition);
}

.nav-article-content:hover {
  color: inherit;
}

.nav-article-image {
  width: 100%;
  height: 150px;
  margin-bottom: var(--space-md);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.nav-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.nav-article:hover .nav-thumb {
  transform: scale(1.05);
}

.nav-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary), var(--dark-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.nav-article-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-dark);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nav-article-excerpt {
  color: var(--gray-medium);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nav-article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.85rem;
}

.nav-date {
  color: var(--gray-medium);
}

.nav-category {
  background: var(--primary);
  color: var(--white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.8rem;
}

.back-to-articles {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--primary);
  color: var(--white);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(92, 205, 235, 0.3);
}

.back-link:hover {
  background: var(--dark-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(92, 205, 235, 0.4);
}

/* Navigation responsive */
@media (max-width: 768px) {
  .nav-articles {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .nav-article-image {
    height: 120px;
  }

  .nav-direction {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
  }

  .nav-article-content {
    padding: var(--space-md);
  }

  .nav-title {
    font-size: 1.6rem;
  }

  .post-footer {
    padding: var(--space-lg) 0;
  }
}

@media (max-width: 480px) {
  .nav-article-title {
    font-size: 1.1rem;
  }

  .nav-article-excerpt {
    font-size: 0.9rem;
    -webkit-line-clamp: 2;
  }

  .nav-article-image {
    height: 100px;
  }

  .back-link {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
  }
}