:root {
  --primary: #0D9488;
  --secondary: #CCFBF1;
  --dark: #134E4A;
  --light: #F8F9FA;
  --text-main: #333333;
  --text-muted: #666666;
  --border: #E0E0E0;
  --white: #FFFFFF;
  --radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--light);
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

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

/* ===== Header & Nav ===== */
.site-header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: visible;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 20px;
  overflow: visible;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 65px;
}

.site-logo {
  display: block;
  height: 60px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.nav-tools {
  background: var(--primary);
  color: var(--white) !important;
  padding: 6px 12px;
  border-radius: var(--radius);
}

.nav-tools:hover {
  background: var(--dark);
}

/* ===== Hamburger (mobile) ===== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 200;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* ===== Mobile nav drawer ===== */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100%;
  background: var(--white);
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 90px 20px 30px;
  z-index: 150;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.mobile-nav.open { right: 0; }

.mobile-nav a {
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
  padding: 12px 16px;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.2s;
}

.mobile-nav a:hover { background: var(--light); }

/* ===== Mobile overlay ===== */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 140;
}

.mobile-overlay.open { display: block; }

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(rgba(19, 78, 74, 0.62), rgba(13, 148, 136, 0.55)), url('/img/hero-clarity.webp') no-repeat center center/cover;
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto 40px;
  opacity: 0.9;
}

/* ===== Z-Pattern Section (About) ===== */
.z-pattern-section {
  display: flex;
  align-items: center;
  gap: 60px;
  margin: 80px auto;
}

.z-pattern-section.reverse {
  flex-direction: row-reverse;
}

.z-pattern-content {
  flex: 1;
}

.z-pattern-content h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.z-pattern-content p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.8;
}

.z-pattern-image-wrapper {
  flex: 1;
  position: relative;
}

.z-pattern-image-wrapper img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
  box-shadow: 15px 15px 0 var(--secondary);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--primary);
  padding: 12px 24px;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

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

/* ===== Article Grid ===== */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--dark);
  text-align: left;
  border-left: 5px solid var(--primary);
  padding-left: 15px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.article-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.article-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-category {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: inline-block;
}

.article-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
  line-height: 1.4;
}

.article-card-excerpt {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.read-more {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ===== Article individuel ===== */
.single-article {
  max-width: 800px;
  margin: 50px auto;
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.single-article-header {
  margin-bottom: 30px;
}

.single-article-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 15px;
  line-height: 1.2;
}

.single-article-meta {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.single-article-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 30px;
}

.single-article-content h2 {
  font-size: 1.6rem;
  color: var(--dark);
  margin: 30px 0 15px;
}

.single-article-content h3 {
  font-size: 1.3rem;
  color: var(--dark);
  margin: 25px 0 12px;
}

.single-article-content p {
  font-size: 1.05rem;
  margin-bottom: 18px;
  color: var(--text-main);
  line-height: 1.8;
}

.single-article-content ul,
.single-article-content ol {
  margin: 0 0 18px 24px;
  line-height: 1.8;
}

.single-article-content li {
  margin-bottom: 6px;
}

.single-article-content a {
  color: var(--primary);
  text-decoration: underline;
}
/* Images Gutenberg dans le contenu */
.single-article-content img,
.single-article-content .wp-block-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
  margin: 0 auto;
}
.single-article-content figure.wp-block-image {
  margin: 28px 0;
}
.single-article-content figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}
/* Embeds vidéo responsive (YouTube, Vimeo…) */
.single-article-content .wp-block-embed,
.single-article-content p:has(> iframe) {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  margin: 28px 0;
}
.single-article-content .wp-block-embed__wrapper {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}
.single-article-content iframe,
.single-article-content .wp-block-embed__wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
  border: 0;
  border-radius: var(--radius);
}
.single-article { overflow: hidden; }

/* Tableaux : scroll horizontal sur mobile */
.single-article-content table {
  display: block;
  overflow-x: auto;
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
}

.single-article-content th,
.single-article-content td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

.single-article-content th {
  background: var(--light);
  font-weight: 700;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--white);
  color: var(--dark);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.pagination .current {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ===== Tools Page ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin: 50px 0;
}

.calculator-container {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
}

.calculator-container h2 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.calculator-container p.desc {
  margin-bottom: 25px;
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: 15px;
  text-align: left;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark);
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--light);
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  margin-top: 10px;
}

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

.result-box {
  margin-top: 25px;
  padding: 20px;
  background: var(--light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  display: none;
}

.result-box.active {
  display: block;
  animation: fadeIn 0.4s;
}

.result-box h3 {
  color: var(--dark);
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.result-box .value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  word-break: break-all;
}

/* ===== Scroll animations ===== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 20px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--white);
}

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

.footer-col ul li a {
  color: #ccc;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--white);
  padding-left: 5px;
}

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

/* ===== Responsive ===== */
@media (max-width: 900px) {
  /* Cacher la nav desktop, montrer le hamburger */
  .main-nav { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0;
  }

  .hero h1 { font-size: 2rem; }
  .hero p  { font-size: 1rem; }

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

  .single-article {
    padding: 20px;
    margin: 20px auto;
  }

  .single-article-title { font-size: 1.6rem; }
  .single-article-img   { height: 220px; }

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

  .z-pattern-section,
  .z-pattern-section.reverse {
    flex-direction: column;
    gap: 30px;
  }

  .z-pattern-content h2 { font-size: 1.6rem; }

  .z-pattern-image-wrapper img {
    height: 250px;
    box-shadow: 8px 8px 0 var(--secondary);
  }

  .logo { height: 50px; }
  .site-logo { height: 44px; max-width: 160px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 48px 0;
  }

  .hero h1 { font-size: 1.7rem; }

  .section-title { font-size: 1.3rem; }

  .single-article {
    margin: 12px auto;
    border-radius: 0;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}