/* ==========================================================================
   ASD QUAD SUR GLACE - CHARTE GRAPHIQUE & SYSTÈME DE DESIGN OFFICIEL
   Association Loi 1901 | RNA: W052002839 | SIREN: 535322242
   PONT PEYRON, 05170 ORCIERES
   ========================================================================== */

:root {
  --brand-navy: #0E2335;
  --brand-navy-dark: #071521;
  --brand-navy-light: #163652;
  --brand-teal: #00A3E0;
  --brand-teal-hover: #0088ba;
  --brand-coral: #E54838;
  --brand-coral-hover: #c93b2c;
  --canvas-bg: #F4F6F8;
  --pure-white: #FFFFFF;
  --slate-text: #1A1A1A;
  --slate-muted: #536271;
  --border-subtle: #E2E8F0;
  --shadow-sm: 0 2px 4px rgba(14, 35, 53, 0.06);
  --shadow-md: 0 4px 12px rgba(14, 35, 53, 0.08);
  --shadow-lg: 0 10px 24px rgba(14, 35, 53, 0.12);
  --font-heading: 'Montserrat', 'Oswald', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Open Sans', 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem; /* ~17px */
  line-height: 1.65;
  color: var(--slate-text);
  background-color: var(--canvas-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand-teal);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--brand-teal-hover);
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  color: var(--brand-navy);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  max-width: 75ch;
}

p.lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--brand-navy-light);
  font-weight: 500;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section-white {
  background-color: var(--pure-white);
}

.section-canvas {
  background-color: var(--canvas-bg);
}

.section-navy {
  background-color: var(--brand-navy);
  color: var(--pure-white);
}

.section-navy h1, .section-navy h2, .section-navy h3 {
  color: var(--pure-white);
}

.section-navy p {
  color: #D1DCE5;
}

/* Administrative Top Utility Strip */
.top-utility-strip {
  background-color: var(--brand-navy);
  color: #D1DCE5;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 0;
}

.top-utility-strip .utility-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.utility-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.utility-badge {
  background-color: rgba(255, 255, 255, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  color: #FFFFFF;
}

.utility-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.utility-right a {
  color: #D1DCE5;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.utility-right a:hover {
  color: var(--pure-white);
}

/* Master Header & Navigation */
.site-header {
  background-color: var(--pure-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

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

.brand-logo .logo-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--brand-navy);
  letter-spacing: 0.04em;
  line-height: 1;
}

.brand-logo .logo-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.6rem 0.85rem;
  color: var(--brand-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.nav-link:hover, .nav-item:hover > .nav-link {
  color: var(--brand-teal);
  background-color: rgba(0, 163, 224, 0.06);
}

/* Dropdown Menus */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background-color: var(--pure-white);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--brand-teal);
  border-radius: 0 0 2px 2px;
  list-style: none;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1010;
}

.nav-item:hover > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item a {
  display: block;
  padding: 0.6rem 1.25rem;
  color: var(--brand-navy);
  font-size: 0.9rem;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.dropdown-item a:hover {
  background-color: rgba(0, 163, 224, 0.06);
  color: var(--brand-teal);
  border-left-color: var(--brand-teal);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--brand-navy);
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-coral {
  background-color: var(--brand-coral);
  color: var(--pure-white) !important;
}

.btn-coral:hover {
  background-color: var(--brand-coral-hover);
  color: var(--pure-white) !important;
  transform: translateY(-1px);
}

.btn-teal {
  background-color: var(--brand-teal);
  color: var(--pure-white) !important;
}

.btn-teal:hover {
  background-color: var(--brand-teal-hover);
  color: var(--pure-white) !important;
  transform: translateY(-1px);
}

.btn-navy {
  background-color: var(--brand-navy);
  color: var(--pure-white) !important;
}

.btn-navy:hover {
  background-color: var(--brand-navy-light);
  color: var(--pure-white) !important;
  transform: translateY(-1px);
}

.btn-outline-white {
  background-color: transparent;
  border-color: var(--pure-white);
  color: var(--pure-white) !important;
}

.btn-outline-white:hover {
  background-color: var(--pure-white);
  color: var(--brand-navy) !important;
}

.btn-outline-navy {
  background-color: transparent;
  border-color: var(--brand-navy);
  color: var(--brand-navy) !important;
}

.btn-outline-navy:hover {
  background-color: var(--brand-navy);
  color: var(--pure-white) !important;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.75rem;
  min-height: 36px;
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1rem;
}

/* Cards & Grid Containers */
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background-color: var(--pure-white);
  border-radius: 2px;
  border: 1px solid var(--border-subtle);
  border-top: 4px solid var(--brand-teal);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.card.card-coral {
  border-top-color: var(--brand-coral);
}

.card.card-navy {
  border-top-color: var(--brand-navy);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-img-wrapper {
  margin: -2rem -2rem 1.5rem -2rem;
  border-radius: 2px 2px 0 0;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-img-wrapper img {
  transform: scale(1.03);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-body {
  color: var(--slate-text);
  flex-grow: 1;
}

.card-meta {
  font-size: 0.8125rem;
  color: var(--slate-muted);
  margin-bottom: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Institutional Callout Boxes */
.callout-box {
  background-color: #EBF7FC;
  border-left: 5px solid var(--brand-teal);
  border-radius: 2px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-sm);
}

.callout-box.callout-coral {
  background-color: #FDEDED;
  border-left-color: var(--brand-coral);
}

.callout-box.callout-navy {
  background-color: #EEF3F7;
  border-left-color: var(--brand-navy);
}

.callout-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--brand-navy);
}

/* Hero Banners */
.hero-banner {
  position: relative;
  background-color: var(--brand-navy);
  color: var(--pure-white);
  padding: 5rem 0;
  overflow: hidden;
}

.hero-banner .hero-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

.hero-banner .hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-banner h1 {
  color: var(--pure-white);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-banner .hero-summary {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #EBF7FC;
  margin-bottom: 2rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 2px;
}

.badge-active {
  background-color: #E1F7EC;
  color: #0B6B38;
}

.badge-teal {
  background-color: rgba(0, 163, 224, 0.12);
  color: var(--brand-teal);
}

.badge-coral {
  background-color: rgba(229, 72, 56, 0.12);
  color: var(--brand-coral);
}

.badge-navy {
  background-color: rgba(14, 35, 53, 0.12);
  color: var(--brand-navy);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-navy);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--slate-text);
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-teal);
  box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.15);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* Interactive Teal Banner */
.teal-banner {
  background-color: var(--brand-teal);
  color: var(--pure-white);
  padding: 3.5rem 0;
  border-radius: 2px;
}

.teal-banner h2 {
  color: var(--pure-white);
}

.teal-banner p {
  color: #EBF7FC;
  font-size: 1.1rem;
}

.inline-form {
  display: flex;
  gap: 0.75rem;
  max-width: 600px;
  margin-top: 1.5rem;
}

.inline-form .form-control {
  flex-grow: 1;
  border: none;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin: 2rem 0;
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--pure-white);
  font-size: 0.95rem;
}

.data-table th {
  background-color: var(--brand-navy);
  color: var(--pure-white);
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  text-align: left;
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--slate-text);
}

.data-table tr:nth-child(even) td {
  background-color: var(--canvas-bg);
}

.data-table tr:hover td {
  background-color: #F0F7FB;
}

/* Circular Indicators / Steps Grid */
.circular-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  text-align: center;
  margin: 2.5rem 0;
}

.circular-step {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.circular-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background-color: var(--pure-white);
  border: 3px solid var(--brand-teal);
  color: var(--brand-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, background-color 0.2s;
}

.circular-step:hover .circular-icon {
  transform: scale(1.08);
  background-color: var(--brand-teal);
  color: var(--pure-white);
}

.circular-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--brand-navy);
  margin-bottom: 0.5rem;
}

.circular-text {
  font-size: 0.85rem;
  color: var(--slate-muted);
  line-height: 1.4;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin: 3rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--brand-teal);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 0.25rem;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background-color: var(--brand-navy);
  border: 4px solid var(--pure-white);
  box-shadow: 0 0 0 2px var(--brand-teal);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--brand-coral);
  margin-bottom: 0.25rem;
}

/* Master Footer */
.site-footer {
  background-color: var(--brand-navy);
  color: #D1DCE5;
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.8fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
  color: var(--pure-white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--brand-teal);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.footer-col p {
  color: #B9CAD7;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: #D1DCE5;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s, padding-left 0.2s;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--brand-teal);
  padding-left: 0.35rem;
}

.footer-legal-notice-strip {
  background-color: var(--brand-navy-dark);
  color: #8CA0B2;
  font-size: 0.8125rem;
  line-height: 1.6;
  padding: 1.75rem 0;
}

.footer-legal-notice-strip p {
  margin: 0;
  color: inherit;
  max-width: 100%;
}

.footer-legal-notice-strip strong {
  color: #D1DCE5;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
  
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .circular-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  /* Forced single column collapse */
  .card-grid-2,
  .card-grid-3,
  .card-grid-4,
  .footer-grid,
  .circular-grid {
    grid-template-columns: 1fr !important;
  }
  
  .top-utility-strip .utility-flex {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .utility-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  
  /* Mobile Navigation Architecture */
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--pure-white);
    flex-direction: column;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-top: 2px solid var(--brand-teal);
  }
  
  .nav-menu.is-active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 0.85rem 0.5rem;
    min-height: 44px;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--brand-teal);
    padding-left: 1rem;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: block;
    margin-bottom: 0.5rem;
  }
  
  .inline-form {
    flex-direction: column;
  }
}