/* ==========================================================================
   ASSOCIATION IRIS CAFE - DESIGN SYSTEM & STYLESHEET
   Loi 1901 | RNA W061013633 | SIREN 848325734 | Le Bar-sur-Loup
   ========================================================================== */

:root {
  --color-raw-charcoal: #1C1A17;
  --color-earth-ocher: #C87D55;
  --color-ocher-hover: #B56F4A;
  --color-ocher-light: #F4E8E1;
  --color-alabaster: #F9F6F0;
  --color-alabaster-card: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-subtle: #E8E2D9;
  --color-text-main: #1C1A17;
  --color-text-muted: #5C574F;
  --color-text-light: #8C857B;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --transition-smooth: all 0.25s ease-in-out;
  --header-height-total: 110px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-alabaster);
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-alabaster);
  color: var(--color-text-main);
  line-height: 1.65;
  padding-top: var(--header-height-total);
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* Reading Progress Indicator */
#reading-progress-container {
  position: fixed;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: rgba(200, 125, 85, 0.2);
  z-index: 10001;
}

#reading-progress-bar {
  width: 100%;
  height: 0%;
  background-color: var(--color-earth-ocher);
  transform-origin: top;
}

/* Header Architecture */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--color-alabaster-card);
  box-shadow: 0 1px 3px rgba(28, 26, 23, 0.08);
}

/* Row 1: Utility Bar */
.utility-bar {
  background: var(--color-raw-charcoal);
  color: var(--color-alabaster);
  height: 38px;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.utility-bar span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.utility-bar a {
  color: var(--color-earth-ocher);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.utility-bar a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* Row 2: Main Navigation Bar */
.main-navbar {
  height: 72px;
  display: flex;
  align-items: center;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
}

.main-navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--color-raw-charcoal);
}

.brand-emblem {
  width: 42px;
  height: 42px;
  background-color: var(--color-raw-charcoal);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  border: 2px solid var(--color-earth-ocher);
  border-radius: 4px;
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-raw-charcoal);
  line-height: 1.2;
}

.brand-legal {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-earth-ocher);
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-decoration: none;
  color: var(--color-raw-charcoal);
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link:focus {
  color: var(--color-earth-ocher);
  background-color: var(--color-alabaster);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 25px rgba(28, 26, 23, 0.12);
  border-radius: 4px;
  list-style: none;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease-in-out;
  z-index: 10005;
}

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

.dropdown-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--color-raw-charcoal);
  transition: var(--transition-smooth);
  border-left: 3px solid transparent;
}

.dropdown-link:hover {
  background-color: var(--color-alabaster);
  color: var(--color-earth-ocher);
  border-left-color: var(--color-earth-ocher);
}

.nav-btn-join {
  display: inline-block;
  background-color: var(--color-earth-ocher);
  color: #FFFFFF !important;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
  margin-left: 8px;
}

.nav-btn-join:hover {
  background-color: var(--color-ocher-hover);
  box-shadow: 0 4px 12px rgba(200, 125, 85, 0.35);
}

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

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-raw-charcoal);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Common Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-spacing {
  padding: 64px 0;
}

.section-spacing-sm {
  padding: 40px 0;
}

/* Typography Styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-raw-charcoal);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 16px;
  color: var(--color-text-main);
}

p.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-earth-ocher);
  background-color: var(--color-ocher-light);
  padding: 3px 8px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid rgba(200, 125, 85, 0.25);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  min-height: 44px;
}

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

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

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

.btn-charcoal:hover {
  background-color: #33302B;
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-raw-charcoal);
}

.btn-outline:hover {
  background-color: #FFFFFF;
  border-color: var(--color-earth-ocher);
  color: var(--color-earth-ocher);
}

/* Asymmetrical Grid Architecture (1fr 3fr) */
.asymmetrical-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 30px;
  margin: 32px 0;
}

.sidebar-log {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  height: fit-content;
}

.sidebar-log h4 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 10px;
  margin-bottom: 14px;
  color: var(--color-earth-ocher);
}

.sidebar-log ul {
  list-style: none;
}

.sidebar-log li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border-subtle);
  color: var(--color-text-muted);
}

.sidebar-log li strong {
  color: var(--color-raw-charcoal);
}

.main-content-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 36px;
}

/* Cards & Content Blocks */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 30px 0;
}

.info-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.info-card:hover {
  box-shadow: 0 8px 20px rgba(28, 26, 23, 0.06);
  border-color: var(--color-earth-ocher);
}

.info-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 3px;
  margin-bottom: 18px;
  border: 1px solid var(--color-border-subtle);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.stat-box {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-earth-ocher);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tables & Accounting Ledgers */
.data-table-container {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: #FFFFFF;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.data-table th {
  background-color: var(--color-raw-charcoal);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 14px 18px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-main);
}

.data-table tr:nth-child(even) {
  background-color: #FAFAF8;
}

.data-table tr:hover {
  background-color: var(--color-ocher-light);
}

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Non-profit Compliance Declaration Box */
.compliance-box {
  background-color: #FFFFFF;
  border-left: 4px solid var(--color-earth-ocher);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0 4px 4px 0;
  padding: 24px;
  margin: 28px 0;
}

.compliance-box h4 {
  color: var(--color-raw-charcoal);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.compliance-box p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

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

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  color: var(--color-raw-charcoal);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background-color: #FFFFFF;
  color: var(--color-text-main);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-earth-ocher);
  box-shadow: 0 0 0 3px rgba(200, 125, 85, 0.15);
}

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

/* Hero Section / Banner */
.page-hero {
  position: relative;
  background-color: var(--color-raw-charcoal);
  color: #FFFFFF;
  padding: 60px 0;
  margin-bottom: 40px;
  overflow: hidden;
  border-bottom: 3px solid var(--color-earth-ocher);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.page-hero h1 {
  color: #FFFFFF;
  font-size: 2.75rem;
  margin-bottom: 18px;
}

.page-hero p {
  color: var(--color-border);
  font-size: 1.15rem;
  line-height: 1.7;
}

.page-hero-img-wrap {
  margin-top: 28px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-hero-img-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

/* Footer Architecture */
footer.site-footer {
  background-color: var(--color-raw-charcoal);
  color: var(--color-alabaster);
  border-top: 3px solid var(--color-earth-ocher);
  padding: 60px 0 30px;
  margin-top: 60px;
}

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

.footer-col h4 {
  font-family: var(--font-serif);
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-earth-ocher);
}

.footer-col p {
  color: #BDB7AB;
  font-size: 0.9rem;
  line-height: 1.6;
}

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

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

.footer-col a {
  color: #BDB7AB;
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-col a:hover {
  color: var(--color-earth-ocher);
  text-decoration: underline;
}

.footer-legal-notice {
  background-color: #12110F;
  border: 1px solid rgba(217, 210, 201, 0.15);
  border-radius: 4px;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #A9A296;
  line-height: 1.6;
  margin-bottom: 30px;
}

.footer-bottom {
  border-top: 1px solid rgba(217, 210, 201, 0.1);
  padding-top: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #7D776D;
}

/* Timeline */
.timeline {
  position: relative;
  margin: 30px 0;
  padding-left: 28px;
  border-left: 2px solid var(--color-earth-ocher);
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-earth-ocher);
  border: 2px solid #FFFFFF;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-earth-ocher);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

/* Responsive Styles */
@media (max-width: 992px) {
  :root {
    --header-height-total: 100px;
  }

  #reading-progress-container {
    display: none;
  }

  .utility-bar span.optional-hide {
    display: none;
  }

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

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

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

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height-total);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height-total));
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 14px 12px;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 18px;
    display: block;
    background-color: var(--color-alabaster);
  }

  .nav-btn-join {
    width: 100%;
    text-align: center;
    margin-top: 16px;
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .utility-bar {
    font-size: 11px;
    padding: 0 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
  h3 { font-size: 1.3rem; }

  .page-hero {
    padding: 40px 0;
  }

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

  .main-content-card {
    padding: 24px 16px;
  }
}