/* ==========================================================================
   L'ART DE LA COULEUR - Institutional Web Platform Stylesheet
   Association Loi 1901 - RNA: W072006753 | SIREN: 924465511
   Rompon (Ardèche) - Millésime Statutaire 2026
   ========================================================================== */

:root {
  --color-primary: #002366;       /* Royal Blue */
  --color-primary-dark: #001744;  /* Deep Navy */
  --color-accent: #FFD700;        /* Deep Gold */
  --color-accent-hover: #E5C100;
  --color-bg-light: #F4F6F9;      /* Utility Light Grey */
  --color-canvas: #FFFFFF;        /* Crisp White */
  --color-text-main: #1E293B;     /* Slate 800 */
  --color-text-muted: #475569;    /* Slate 600 */
  --color-border: #E2E8F0;        /* Crisp Border */
  --color-success: #166534;       /* Forest Green */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --transition: all 0.25s ease-in-out;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-canvas);
  color: var(--color-text-main);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* --------------------------------------------------------------------------
   DOUBLE-DECKER HEADER SYSTEM
   -------------------------------------------------------------------------- */

/* Row 1: Top Utility Strip */
.top-utility-strip {
  background: var(--color-bg-light);
  color: #333333;
  min-height: 42px;
  padding: 6px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 10px;
}

.utility-rna-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
}

.utility-rna-badge span {
  background: #E2E8F0;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: #0F172A;
  letter-spacing: 0.5px;
}

.utility-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-simulation {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 3px 8px;
}

.search-simulation input {
  border: none;
  outline: none;
  font-size: 12px;
  width: 140px;
  color: var(--color-text-main);
  background: transparent;
}

.search-simulation button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 12px;
  padding: 2px 4px;
}

.lang-toggle {
  display: flex;
  gap: 4px;
  font-weight: 600;
}

.lang-toggle a {
  color: var(--color-text-muted);
  padding: 2px 4px;
}

.lang-toggle a.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

/* Row 2: Main Navigation Bar */
.main-header-bar {
  background: var(--color-canvas);
  border-bottom: 2px solid var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 35, 102, 0.06);
  position: sticky;
  top: 0;
  z-index: 999;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 10px 20px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.brand-identity {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-primary);
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}

/* Navigation List */
.main-nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 12px 14px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-radius: 4px;
  transition: var(--transition);
  min-height: 44px;
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-link.active {
  background-color: var(--color-bg-light);
  color: var(--color-primary-dark);
}

.dropdown-arrow {
  font-size: 9px;
  margin-left: 2px;
  transition: transform 0.2s ease;
}

.nav-item:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* Hover-Activated Dropdown Menus */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 270px;
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 0 0 6px 6px;
  box-shadow: 0 10px 25px rgba(0, 35, 102, 0.12);
  list-style: none;
  padding: 8px 0;
  z-index: 9999;
}

.nav-item:hover .dropdown-menu {
  display: block;
}

.dropdown-item a {
  display: block;
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-main);
  border-bottom: 1px solid #F1F5F9;
  min-height: 44px;
  line-height: 24px;
}

.dropdown-item:last-child a {
  border-bottom: none;
}

.dropdown-item a:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  padding-left: 22px;
}

/* Header Contact CTA Button */
.btn-header-contact {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 800;
  font-size: 13.5px;
  padding: 10px 20px;
  border-radius: 4px;
  border: 1px solid #E5C100;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  white-space: nowrap;
}

.btn-header-contact:hover {
  background-color: var(--color-accent-hover);
  color: #000000;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Mobile Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 20px;
  min-height: 44px;
  min-width: 44px;
}

/* --------------------------------------------------------------------------
   SHARED COMPONENTS & BUTTONS
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  min-height: 44px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border: 1px solid #E5C100;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: #000000;
}

.badge-status {
  display: inline-block;
  background: #DCFCE7;
  color: var(--color-success);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid #BBF7D0;
}

.badge-neutral {
  display: inline-block;
  background: var(--color-bg-light);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   PAGE HERO & BREADCRUMBS
   -------------------------------------------------------------------------- */

.page-hero {
  background: linear-gradient(135deg, #001744 0%, #002366 100%);
  color: #FFFFFF;
  padding: 50px 0;
  border-bottom: 4px solid var(--color-accent);
}

.page-hero h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}

.page-hero p.lead {
  font-size: 18px;
  color: #E2E8F0;
  max-width: 800px;
  line-height: 1.5;
}

.breadcrumbs {
  font-size: 13px;
  color: #94A3B8;
  margin-bottom: 15px;
}

.breadcrumbs a {
  color: var(--color-accent);
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   TWO-COLUMN INSTITUTIONAL LAYOUT (3fr / 1fr)
   -------------------------------------------------------------------------- */

.two-col-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 40px;
  margin: 50px 0;
}

.main-content-flow {
  min-width: 0;
}

.side-rail {
  min-width: 0;
}

.side-rail-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 24px;
}

.side-rail-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

.stat-item {
  margin-bottom: 16px;
}

.stat-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   HOMEPAGE SPECIFICS (HERO, DISCLOSURES, 3-STEP ROADMAP)
   -------------------------------------------------------------------------- */

.home-hero-section {
  position: relative;
  background: #001744;
  color: #FFFFFF;
  padding: 60px 0;
  overflow: hidden;
  border-bottom: 4px solid var(--color-accent);
}

.home-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.home-hero-content h1 {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
  color: #FFFFFF;
}

.home-hero-content h1 span {
  color: var(--color-accent);
}

.home-summary-box {
  background: rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  margin-bottom: 24px;
  border-radius: 0 4px 4px 0;
}

.home-summary-box p {
  font-size: 16px;
  line-height: 1.6;
  color: #F8FAFC;
  font-weight: 500;
}

.home-hero-image-wrapper {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border: 3px solid rgba(255, 255, 255, 0.15);
}

/* Mandatory Non-Profit Funding Banner */
.funding-disclosure-banner {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-left: 5px solid #F59E0B;
  padding: 18px 24px;
  border-radius: 6px;
  margin: 35px 0;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.funding-disclosure-banner p {
  font-size: 14.5px;
  color: #78350F;
  margin: 0;
}

.funding-disclosure-banner strong {
  color: #92400E;
}

/* 3-Step Roadmap */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}

.roadmap-step {
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 6px;
  padding: 24px;
  transition: var(--transition);
}

.roadmap-step:hover {
  box-shadow: 0 6px 20px rgba(0, 35, 102, 0.08);
  transform: translateY(-2px);
}

.step-number {
  font-size: 14px;
  font-weight: 800;
  color: #FFFFFF;
  background: var(--color-primary);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 14px;
}

.roadmap-step h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.roadmap-step p {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   PROGRAM CARDS & CONTENT BOXES
   -------------------------------------------------------------------------- */

.program-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  display: grid;
  grid-template-columns: 320px 1fr;
}

.program-card-img {
  position: relative;
  overflow: hidden;
  min-height: 220px;
}

.program-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.program-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.program-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 12px;
}

.program-card-header h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
}

.program-meta-list {
  list-style: none;
  margin: 14px 0;
  font-size: 13.5px;
  color: var(--color-text-muted);
}

.program-meta-list li {
  margin-bottom: 6px;
  display: flex;
  gap: 8px;
}

.program-meta-list strong {
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   ACCOUNTING & DATA TABLES
   -------------------------------------------------------------------------- */

.data-table-wrapper {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th {
  background: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid var(--color-border);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr.total-row {
  background: #F8FAFC;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   FORMS & INPUTS
   -------------------------------------------------------------------------- */

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

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #FFFFFF;
  color: var(--color-text-main);
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.15);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-help-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.alert-success {
  background: #DCFCE7;
  border: 1px solid #86EFAC;
  color: #14532D;
  padding: 16px;
  border-radius: 6px;
  margin-bottom: 24px;
}

/* --------------------------------------------------------------------------
   FAQ ACCORDION & CARDS
   -------------------------------------------------------------------------- */

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  margin-bottom: 16px;
  background: var(--color-canvas);
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  background: var(--color-bg-light);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 20px;
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   INSTITUTIONAL FOOTER
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-primary-dark);
  color: #E2E8F0;
  padding: 60px 0 30px;
  border-top: 4px solid var(--color-accent);
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 6px;
  display: inline-block;
}

.footer-col p {
  font-size: 13.5px;
  line-height: 1.6;
  color: #CBD5E1;
  margin-bottom: 12px;
}

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

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #CBD5E1;
  font-size: 13.5px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom-notice {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 24px;
  font-size: 12.5px;
  color: #94A3B8;
  text-align: center;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   MOBILE RESPONSIVENESS & MEDIA QUERIES
   -------------------------------------------------------------------------- */

@media (max-width: 992px) {
  .home-hero-grid,
  .two-col-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .program-card {
    grid-template-columns: 1fr;
  }
  
  .program-card-img {
    height: 220px;
  }
  
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 15px;
  }
  
  .utility-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .main-nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-canvas);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    padding: 10px 0;
  }
  
  .main-nav-list.is-active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 20px;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background: var(--color-bg-light);
    border-left: 3px solid var(--color-primary);
    margin-left: 15px;
    border-radius: 0;
    min-width: unset;
  }
  
  .nav-item:hover .dropdown-menu {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-header-contact {
    display: none;
  }
}