/* ==========================================================================
   RYTHM'AISNE FORME - INSTITUTIONAL STYLESHEET (ASSOCIATION LOI 1901)
   Palette & Architecture Normative: 2026
   ========================================================================== */

:root {
  --color-primary-spruce: #005A36;
  --color-dark-spruce: #02472B;
  --color-accent-gold: #A68244;
  --color-accent-gold-dark: #9E7D3B;
  --color-bright-gold: #D97706;
  --color-bright-gold-hover: #C87A00;
  --color-bg-light: #F4F5F4;
  --color-bg-alt: #EFEFEF;
  --color-white: #FFFFFF;
  --color-charcoal: #1C1A17;
  --color-charcoal-muted: #3D3A35;
  --color-border: #DCDEDC;
  --font-serif: "Georgia", "Cambria", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --header-height: 75px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-light);
  color: var(--color-charcoal);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark-spruce);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.8rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.8rem; margin-top: 1.8rem; }
h3 { font-size: 1.35rem; margin-top: 1.4rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--color-charcoal);
  font-size: 1rem;
}

a {
  color: var(--color-primary-spruce);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-gold);
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.6rem;
}

li {
  margin-bottom: 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

/* Reading Progress Bar */
#reading-progress {
  background: var(--color-accent-gold);
  height: 4px;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 0%;
  z-index: 999;
  transition: width 0.1s ease-out;
}

/* Top Sticky Header Bar */
#site-header {
  background: var(--color-primary-spruce);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.header-left {
  display: flex;
  align-items: center;
}

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

.brand-title {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.brand-subtitle {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Clock Widget Spec */
.clock-widget {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 15px;
  margin-left: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.analog-clock-svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.clock-face {
  fill: var(--color-dark-spruce);
  stroke: var(--color-accent-gold);
  stroke-width: 2;
}

.clock-hand-hour, .clock-hand-minute, .clock-hand-second {
  stroke-linecap: round;
  transform-origin: 20px 20px;
}

.clock-hand-hour {
  stroke: var(--color-white);
  stroke-width: 2.2;
}

.clock-hand-minute {
  stroke: rgba(255, 255, 255, 0.85);
  stroke-width: 1.6;
}

.clock-hand-second {
  stroke: var(--color-bright-gold);
  stroke-width: 1;
}

.time-stack {
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.time-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1.15;
}

.time-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.time-val {
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Navigation Architecture */
.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 6px;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--color-white);
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover, .nav-item:focus-within .nav-link {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.dropdown-caret {
  font-size: 0.68rem;
  transition: transform 0.2s;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  min-width: 250px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  border-radius: 4px;
  padding: 8px 0;
  list-style: none;
  display: none;
  z-index: 1010;
  border-top: 3px solid var(--color-accent-gold);
}

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

.dropdown-menu li {
  margin: 0;
  padding: 0;
}

.dropdown-link {
  color: var(--color-charcoal);
  padding: 10px 18px;
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
}

.dropdown-link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary-spruce);
  font-weight: 600;
}

/* Header High-Priority CTA */
.header-cta-btn {
  background: var(--color-bright-gold);
  color: var(--color-white) !important;
  padding: 12px 24px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
  transition: background-color 0.2s, transform 0.1s;
}

.header-cta-btn:hover {
  background: var(--color-bright-gold-hover);
  transform: translateY(-1px);
}

/* Mobile Navigation Toggle Button */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 4px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* Primary Page Wrapper & Layout */
.site-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 35px 24px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 36px;
  align-items: start;
}

.page-main-content {
  background: var(--color-white);
  padding: 36px 40px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border);
}

/* Hero Section */
.hero-banner-section {
  background: linear-gradient(135deg, var(--color-dark-spruce) 0%, var(--color-primary-spruce) 100%);
  color: var(--color-white);
  padding: 48px 40px;
  border-radius: 8px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

.hero-banner-section h1 {
  color: var(--color-white);
  font-size: 2.35rem;
  margin-bottom: 14px;
}

.hero-lead-summary {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 820px;
  font-weight: 400;
}

.hero-image-wrapper {
  margin: 24px 0;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  border: 2px solid rgba(166, 130, 68, 0.4);
}

/* Institutional Mission Box */
.mission-commitment-box {
  background: var(--color-bg-light);
  border-left: 5px solid var(--color-accent-gold);
  padding: 24px 28px;
  margin: 28px 0;
  border-radius: 0 6px 6px 0;
}

.mission-commitment-box h3 {
  color: var(--color-dark-spruce);
  margin-top: 0;
  font-size: 1.25rem;
}

.mission-commitment-box p {
  color: var(--color-charcoal);
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

/* Metric / Solidarity Index Panel */
.metrics-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--color-dark-spruce);
  color: var(--color-white);
  padding: 28px 20px;
  border-radius: 8px;
  margin: 32px 0;
  text-align: center;
}

.metric-item {
  padding: 8px;
}

.metric-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-gold);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* Card Grids */
.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 28px 0;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.info-card-header {
  border-bottom: 2px solid var(--color-accent-gold);
  padding-bottom: 12px;
  margin-bottom: 14px;
}

.info-card-header h3, .info-card-header h4 {
  margin: 0;
  color: var(--color-primary-spruce);
}

.info-card-img {
  margin-bottom: 14px;
  border-radius: 4px;
}

/* Standard Styled Buttons */
.btn-gold {
  background: var(--color-accent-gold);
  color: var(--color-white) !important;
  border: none;
  font-weight: bold;
  padding: 12px 24px;
  border-radius: 4px;
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-gold:hover {
  background: var(--color-accent-gold-dark);
  transform: translateY(-1px);
}

.btn-spruce {
  background: var(--color-primary-spruce);
  color: var(--color-white) !important;
  border: none;
  font-weight: bold;
  padding: 12px 24px;
  border-radius: 4px;
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s;
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

/* Sidebar "Journal de Bord 2026" */
.sidebar-journal {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.sidebar-title {
  background: var(--color-primary-spruce);
  color: var(--color-white);
  padding: 12px 16px;
  margin: -24px -20px 20px -20px;
  border-radius: 7px 7px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-badge {
  background: var(--color-accent-gold);
  color: var(--color-white);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
}

.journal-timeline {
  list-style: none;
  padding-left: 0;
  margin-bottom: 24px;
}

.journal-entry {
  position: relative;
  padding-left: 18px;
  margin-bottom: 18px;
  border-left: 2px solid var(--color-accent-gold);
}

.journal-date {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  text-transform: uppercase;
  margin-bottom: 3px;
}

.journal-heading {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-dark-spruce);
  margin-bottom: 4px;
}

.journal-desc {
  font-size: 0.82rem;
  color: var(--color-charcoal-muted);
  line-height: 1.45;
  margin-bottom: 0;
}

.sidebar-block {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  margin-top: 18px;
}

.sidebar-block h4 {
  color: var(--color-dark-spruce);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.sidebar-contact-info {
  font-size: 0.85rem;
  color: var(--color-charcoal);
  line-height: 1.5;
}

/* Forms (Contact, Volunteer, etc.) */
.form-container {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 28px;
  margin: 28px 0;
}

.form-group {
  margin-bottom: 18px;
}

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

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  background-color: var(--color-white);
  color: var(--color-charcoal);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 2px rgba(166, 130, 68, 0.2);
}

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

/* Tables & Species / Record Registry */
.table-responsive {
  overflow-x: auto;
  margin: 24px 0;
}

.registry-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-white);
}

.registry-table th {
  background-color: var(--color-primary-spruce);
  color: var(--color-white);
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  border: 1px solid var(--color-dark-spruce);
}

.registry-table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  color: var(--color-charcoal);
}

.registry-table tr:nth-child(even) {
  background-color: var(--color-bg-light);
}

/* Footer Architecture */
#site-footer {
  background: var(--color-dark-spruce);
  color: var(--color-white);
  padding: 50px 30px 30px 30px;
  margin-top: 50px;
  border-top: 4px solid var(--color-accent-gold);
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.05rem;
  border-bottom: 2px solid var(--color-accent-gold);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.footer-col p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.88rem;
  line-height: 1.55;
}

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

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

.footer-col a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--color-accent-gold);
}

.footer-compliance-notice {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  padding: 18px 22px;
  margin-top: 20px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

.footer-copyright {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Mobile Responsiveness & CSS Rules (@media)
   ========================================================================== */

@media (max-width: 992px) {
  .page-layout {
    grid-template-columns: 1fr;
  }

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

  .cards-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics-panel {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  #site-header {
    padding: 0 16px;
  }

  .site-container {
    padding: 20px 14px;
  }

  .page-main-content {
    padding: 24px 18px;
  }

  .hero-banner-section {
    padding: 30px 20px;
  }

  .hero-banner-section h1 {
    font-size: 1.75rem;
  }

  .clock-widget {
    margin-left: 8px;
    padding-left: 8px;
  }

  .time-stack {
    display: none; /* preserve space on mobile */
  }

  .header-cta-btn {
    display: none; /* accessible in mobile dropdown */
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-dark-spruce);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    display: none;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    z-index: 1005;
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .nav-link {
    min-height: 44px;
    padding: 12px 16px;
    font-size: 1rem;
    width: 100%;
    justify-content: space-between;
  }

  .dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.08);
    border-top: none;
    border-left: 3px solid var(--color-accent-gold);
    margin: 6px 0 12px 14px;
    padding: 4px 0;
  }

  .dropdown-link {
    color: var(--color-white);
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 10px 14px;
  }

  .dropdown-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-accent-gold);
  }

  .cards-grid-2, .cards-grid-3, .cards-grid-4 {
    grid-template-columns: 1fr;
  }

  .metrics-panel {
    grid-template-columns: 1fr;
  }

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