/* ===============================
   Zone Pétro-Expert - Creative Artistic CSS
   Brand: Professionnel, informatif, moderne, créatif
   =============================== */

/* ====== FONT IMPORTS ====== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Roboto:wght@400;500;700&display=swap');

:root {
  --color-primary: #263238;
  --color-secondary: #F5F6FA;
  --color-accent: #FFD600;
  --color-accent2: #FF6F61;
  --color-accent3: #00B8D4;
  --color-accent4: #7C4DFF;
  --color-bg: #F5F6FA;
  --color-bg-dark: #222831;
  --color-card: #fff;
  --color-shadow: rgba(38,50,56,0.08);
  --color-shadow-strong: rgba(38,50,56,0.18);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Roboto', Arial, sans-serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(.77,0,.18,1);
  --shadow-lg: 0 8px 32px var(--color-shadow-strong);
  --shadow-md: 0 4px 16px var(--color-shadow);
  --shadow-sm: 0 2px 8px var(--color-shadow);
}

html {
  box-sizing: border-box;
  font-size: 18px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  background: var(--color-bg);
  color: var(--color-primary);
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.7;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

/* ====== LAYOUT CONTAINERS ====== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ====== HEADER & NAVIGATION ====== */
header {
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent3) 100%);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
}
header img {
  height: 48px;
  margin-right: 24px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-accent4);
}

.cta.primary {
  background: linear-gradient(90deg, var(--color-accent) 60%, var(--color-accent2) 100%);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 900;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 32px;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  margin-left: 24px;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  z-index: 1;
}
.cta.primary:hover, .cta.primary:focus {
  background: linear-gradient(90deg, var(--color-accent2) 0%, var(--color-accent4) 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px) scale(1.04) rotate(-1deg);
}

/* ====== MOBILE NAVIGATION ====== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 16px;
  transition: color var(--transition), transform var(--transition);
}
.mobile-menu-toggle:active {
  color: var(--color-accent2);
  transform: scale(1.1);
}
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(120deg, var(--color-accent) 0%, var(--color-accent3) 100%);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.45s cubic-bezier(.77,0,.18,1), opacity 0.3s;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-primary);
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}
.mobile-menu-close:active {
  color: var(--color-accent2);
  transform: scale(1.1);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
  margin: 40px 0 0 40px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color var(--transition), text-shadow var(--transition);
  text-shadow: 0 2px 8px rgba(255,255,255,0.15);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent4);
  text-shadow: 0 2px 16px var(--color-accent2);
}

@media (max-width: 1024px) {
  .main-nav {
    gap: 16px;
  }
  .cta.primary {
    margin-left: 12px;
    padding: 10px 20px;
    font-size: 1rem;
  }
}
@media (max-width: 900px) {
  header .container {
    gap: 12px;
  }
  .main-nav {
    gap: 8px;
  }
}
@media (max-width: 768px) {
  header .container {
    flex-direction: row;
    align-items: center;
    gap: 0;
    min-height: 64px;
  }
  .main-nav {
    display: none;
  }
  .cta.primary {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* ====== HERO & SECTION STYLES ====== */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: none;
  position: relative;
}
section:nth-child(even) {
  background: linear-gradient(90deg, var(--color-secondary) 80%, #fff 100%);
}
section .container {
  gap: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin: 0 0 12px 0;
  font-weight: 900;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  background: linear-gradient(90deg, var(--color-accent4) 0%, var(--color-accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  margin-bottom: 16px;
}
h2 {
  font-size: 2rem;
  color: var(--color-accent4);
  margin-bottom: 12px;
}
h3 {
  font-size: 1.25rem;
  color: var(--color-accent2);
  font-weight: 800;
}

p {
  font-family: var(--font-body);
  color: var(--color-primary);
  margin: 0 0 12px 0;
  font-size: 1.05rem;
}

/* ====== FLEXBOX LAYOUTS ====== */
.feature_grid, .feature_list, .equipment_gallery, .team_photos, .value_icons, .news_cards, .stat_cards {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}
.feature_grid > div, .feature_list > div, .equipment_gallery > div, .team_photos > div, .value_icons > div, .news_cards > div, .stat_cards > div {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px 24px;
  flex: 1 1 260px;
  min-width: 220px;
  margin-bottom: 0;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
  border-left: 6px solid var(--color-accent4);
}
.feature_grid > div:hover, .feature_list > div:hover, .equipment_gallery > div:hover, .team_photos > div:hover, .value_icons > div:hover, .news_cards > div:hover, .stat_cards > div:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px) scale(1.03) rotate(-1deg);
  border-left: 6px solid var(--color-accent2);
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px) scale(1.02);
}

.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: linear-gradient(90deg, #fff 80%, var(--color-accent3) 100%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
  min-width: 260px;
  flex: 1 1 260px;
  color: var(--color-primary);
}
.testimonial-card p {
  color: var(--color-primary);
  font-size: 1.1rem;
  font-style: italic;
}
.testimonial-card strong {
  color: var(--color-accent4);
  font-family: var(--font-display);
  font-weight: 800;
  margin-left: 12px;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== TABLES ====== */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}
thead {
  background: linear-gradient(90deg, var(--color-accent) 80%, var(--color-accent3) 100%);
}
th, td {
  padding: 16px 12px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-primary);
}
th {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
tr {
  border-bottom: 1px solid #ececec;
}
tr:last-child {
  border-bottom: none;
}
tbody tr:hover {
  background: var(--color-accent3);
  color: #fff;
  transition: background var(--transition), color var(--transition);
}
tbody tr:hover td {
  color: #fff;
}

/* Mini comparison table */
.mini_comparison_table {
  margin-bottom: 20px;
}
.mini_comparison_table th, .mini_comparison_table td {
  font-size: 1rem;
  padding: 10px 8px;
}

/* ====== SLIDERS & CARDS ====== */
.testimonial_slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}

.news_cards {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}
.news_cards > div {
  background: linear-gradient(120deg, var(--color-accent3) 0%, #fff 100%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 24px 20px;
  flex: 1 1 260px;
  min-width: 220px;
  margin-bottom: 0;
  transition: box-shadow var(--transition), transform var(--transition);
  border-left: 6px solid var(--color-accent2);
}
.news_cards > div:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px) scale(1.03) rotate(1deg);
  border-left: 6px solid var(--color-accent4);
}

.featured_article {
  background: linear-gradient(90deg, var(--color-accent4) 0%, var(--color-accent2) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  margin-bottom: 20px;
}
.featured_article h3 {
  color: #fff;
}
.featured_article p {
  color: #fff;
}

/* ====== FORMS, FILTERS, ACCORDIONS ====== */
.filter_options, .category_filters {
  margin: 12px 0 0 0;
  font-size: 1rem;
  color: var(--color-primary);
  display: flex;
  flex-direction: row;
  gap: 12px;
  align-items: center;
}
.filter_options a, .category_filters a {
  color: var(--color-accent4);
  font-weight: 700;
  text-decoration: none;
  transition: color var(--transition);
}
.filter_options a:hover, .category_filters a:hover {
  color: var(--color-accent2);
}

select, input, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-accent3);
  padding: 10px 12px;
  margin-bottom: 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
select:focus, input:focus, textarea:focus {
  border-color: var(--color-accent4);
  box-shadow: 0 0 0 2px var(--color-accent4)33;
}

.faq_accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq_accordion > div {
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 20px 18px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.faq_accordion > div:hover {
  box-shadow: var(--shadow-md);
  transform: scale(1.01);
}

/* ====== FOOTER ====== */
footer {
  background: linear-gradient(90deg, var(--color-accent3) 0%, var(--color-accent) 100%);
  color: var(--color-primary);
  padding: 40px 0 20px 0;
  box-shadow: 0 -4px 16px var(--color-shadow);
}
footer .container {
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.footer-nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
  margin-bottom: 8px;
}
.footer-nav a {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
  transition: color var(--transition);
}
.footer-nav a:hover {
  color: var(--color-accent4);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0.7;
}

/* ====== COOKIE CONSENT BANNER ====== */
.cookie-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  background: linear-gradient(90deg, var(--color-accent) 60%, var(--color-accent3) 100%);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow-strong);
  z-index: 99999;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  gap: 24px;
  font-size: 1rem;
  animation: cookieBannerIn 0.7s cubic-bezier(.77,0,.18,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.cookie-banner .accept {
  background: linear-gradient(90deg, var(--color-accent2) 0%, var(--color-accent4) 100%);
  color: #fff;
}
.cookie-banner .accept:hover {
  background: linear-gradient(90deg, var(--color-accent4) 0%, var(--color-accent2) 100%);
}
.cookie-banner .reject {
  background: #fff;
  color: var(--color-accent2);
  border: 2px solid var(--color-accent2);
}
.cookie-banner .reject:hover {
  background: var(--color-accent2);
  color: #fff;
}
.cookie-banner .settings {
  background: var(--color-accent3);
  color: #fff;
}
.cookie-banner .settings:hover {
  background: var(--color-accent4);
}

/* ====== COOKIE MODAL ====== */
.cookie-modal-overlay {
  position: fixed;
  left: 0; top: 0;
  width: 100vw; height: 100vh;
  background: rgba(38,50,56,0.45);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px 32px 32px 32px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: cookieModalIn 0.5s cubic-bezier(.77,0,.18,1);
}
@keyframes cookieModalIn {
  from { transform: scale(0.85) translateY(40px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.cookie-modal h2 {
  color: var(--color-accent4);
  margin-bottom: 8px;
}
.cookie-modal .cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}
.cookie-modal .cookie-category input[type="checkbox"] {
  accent-color: var(--color-accent4);
  width: 22px;
  height: 22px;
}
.cookie-modal .cookie-category .always-on {
  color: var(--color-accent2);
  font-size: 0.95rem;
  font-weight: 700;
  margin-left: 8px;
}
.cookie-modal .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 12px;
}
.cookie-modal button {
  font-family: var(--font-display);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.cookie-modal .accept {
  background: linear-gradient(90deg, var(--color-accent2) 0%, var(--color-accent4) 100%);
  color: #fff;
}
.cookie-modal .accept:hover {
  background: linear-gradient(90deg, var(--color-accent4) 0%, var(--color-accent2) 100%);
}
.cookie-modal .reject {
  background: #fff;
  color: var(--color-accent2);
  border: 2px solid var(--color-accent2);
}
.cookie-modal .reject:hover {
  background: var(--color-accent2);
  color: #fff;
}
.cookie-modal .close {
  background: var(--color-accent3);
  color: #fff;
}
.cookie-modal .close:hover {
  background: var(--color-accent4);
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1024px) {
  .feature_grid, .feature_list, .equipment_gallery, .team_photos, .value_icons, .news_cards, .stat_cards {
    gap: 16px;
  }
  .feature_grid > div, .feature_list > div, .equipment_gallery > div, .team_photos > div, .value_icons > div, .news_cards > div, .stat_cards > div {
    padding: 20px 14px;
    min-width: 180px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
    padding: 0 8px;
  }
  .footer-nav {
    gap: 12px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.3rem;
  }
  .feature_grid, .feature_list, .equipment_gallery, .team_photos, .value_icons, .news_cards, .stat_cards {
    flex-direction: column;
    gap: 16px;
  }
  .feature_grid > div, .feature_list > div, .equipment_gallery > div, .team_photos > div, .value_icons > div, .news_cards > div, .stat_cards > div {
    min-width: 0;
    width: 100%;
    padding: 16px 10px;
  }
  .testimonial_slider {
    flex-direction: column;
    gap: 16px;
  }
  .testimonial-card {
    min-width: 0;
    width: 100%;
    padding: 16px 10px;
  }
  .content-grid, .card-container {
    flex-direction: column;
    gap: 16px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 18px 10px;
    font-size: 0.98rem;
  }
  .cookie-banner .cookie-actions {
    gap: 10px;
  }
  .cookie-modal {
    padding: 24px 8px 16px 8px;
    min-width: 0;
    width: 95vw;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.3rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  section {
    padding: 24px 4px;
  }
  .footer-contact, .footer-brand {
    font-size: 0.9rem;
  }
}

/* ====== MICRO-INTERACTIONS ====== */
a, button, .cta.primary, .main-nav a, .footer-nav a, .mobile-nav a {
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}
a:focus, button:focus, .cta.primary:focus, .main-nav a:focus, .footer-nav a:focus, .mobile-nav a:focus {
  outline: 2px solid var(--color-accent4);
  outline-offset: 2px;
}

/* ====== CUSTOM DECORATIVE ELEMENTS ====== */
section::before {
  content: '';
  display: block;
  position: absolute;
  top: -30px; left: 0;
  width: 80px; height: 8px;
  background: linear-gradient(90deg, var(--color-accent2) 0%, var(--color-accent4) 100%);
  border-radius: 8px;
  opacity: 0.18;
  z-index: 0;
}
section:nth-child(even)::before {
  left: unset; right: 0;
  background: linear-gradient(90deg, var(--color-accent3) 0%, var(--color-accent) 100%);
}

/* ====== VISUALIZATION PLACEHOLDERS ====== */
.infographic, .line_chart, .bar_chart {
  background: repeating-linear-gradient(135deg, var(--color-accent3), var(--color-accent3) 10px, var(--color-accent2) 10px, var(--color-accent2) 20px);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
  min-height: 60px;
  display: flex;
  align-items: center;
}

/* ====== KEY TAKEAWAYS ====== */
.key_takeaways {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.key_takeaways li {
  background: linear-gradient(90deg, var(--color-accent4) 0%, var(--color-accent3) 100%);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
}

/* ====== MISC ====== */
.map {
  background: var(--color-accent3)11;
  border-radius: var(--radius-md);
  padding: 16px 12px;
  margin-bottom: 20px;
  font-size: 1rem;
}
.expert_commentary {
  background: var(--color-accent)22;
  border-radius: var(--radius-md);
  padding: 18px 14px;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: 20px;
}

/* ====== PRINT STYLES ====== */
@media print {
  header, footer, .mobile-menu, .cookie-banner, .cookie-modal-overlay { display: none !important; }
  section, .container { box-shadow: none !important; background: #fff !important; }
}