/* ==========================================================================
   STYLE.CSS - SYSTÈME DE DESIGN INSTITUTIONNEL MCMASTER
   ASSOCIATION D'ENTREVILLA A INTREVILLE, CA VIT ! (LOI 1901)
   ========================================================================== */

:root {
  --primary-maroon: #7A003C;
  --deep-maroon: #500027;
  --secondary-gold: #FDBF57;
  --light-neutral-canvas: #F8FAFC;
  --border-neutral: #E2E8F0;
  --pure-white: #FFFFFF;
  --footer-slate: #334155;
  --footer-dark: #1E293B;
  --body-text: #1E293B;
  --text-muted: #64748B;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-subtle: 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.09);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--light-neutral-canvas);
  color: var(--body-text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--primary-maroon);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--deep-maroon);
}

/* --------------------------------------------------------------------------
   UTILITY BAR
   -------------------------------------------------------------------------- */
.utility-bar {
  background-color: var(--primary-maroon);
  color: #FFFFFF;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.45rem 1rem;
}

.utility-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.statutory-badges {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.badge-pill {
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.badge-pill.gold {
  background-color: var(--secondary-gold);
  color: #500027;
  font-weight: 700;
}

.utility-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.utility-links a {
  color: #F8FAFC;
  font-size: 0.8rem;
  font-weight: 500;
}

.utility-links a:hover {
  color: var(--secondary-gold);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   MAIN HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--pure-white);
  border-bottom: 1px solid var(--border-neutral);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary-maroon), var(--deep-maroon));
  color: #FFFFFF;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  border: 2px solid var(--secondary-gold);
  flex-shrink: 0;
}

.brand-text h1 {
  font-size: 1.12rem;
  color: var(--primary-maroon);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.brand-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
}

/* Nav Menu */
.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.65rem 0.95rem;
  color: var(--body-text);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  min-height: 44px;
}

.nav-link:hover, .nav-item:hover > .nav-link {
  color: var(--primary-maroon);
  background-color: #F8FAFC;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--pure-white);
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  min-width: 220px;
  padding: 0.5rem 0;
  z-index: 120;
}

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

.dropdown-menu a {
  display: block;
  padding: 0.6rem 1.1rem;
  font-size: 0.88rem;
  color: var(--body-text);
  font-weight: 500;
}

.dropdown-menu a:hover {
  background-color: #F1F5F9;
  color: var(--primary-maroon);
}

.mobile-menu-toggle {
  display: none;
  background: var(--primary-maroon);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  font-size: 1rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* --------------------------------------------------------------------------
   BUTTONS & CTA
   -------------------------------------------------------------------------- */
.cta-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  min-height: 44px;
  min-width: 140px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-cta-primary {
  background-color: var(--primary-maroon);
  color: #FFFFFF;
  border: 2px solid var(--primary-maroon);
}

.btn-cta-primary:hover {
  background-color: var(--deep-maroon);
  border-color: var(--deep-maroon);
  color: #FFFFFF;
}

.btn-cta-secondary {
  background-color: transparent;
  color: var(--primary-maroon);
  border: 2px solid var(--primary-maroon);
}

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

/* --------------------------------------------------------------------------
   LAYOUT CONTAINERS & TYPOGRAPHY
   -------------------------------------------------------------------------- */
.site-main {
  flex: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary-maroon);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-color: #0F172A;
  color: #FFFFFF;
  padding: 4rem 1.25rem;
  border-bottom: 4px solid var(--primary-maroon);
  overflow: hidden;
}

.hero-background-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: brightness(0.85);
}

.hero-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  z-index: 2;
}

.hero-inner h1, .hero-inner .hero-headline {
  font-size: 2.45rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  color: #FFFFFF;
  max-width: 820px;
}

.hero-summary {
  font-size: 1.15rem;
  color: #F1F5F9;
  max-width: 780px;
  margin-bottom: 2rem;
  line-height: 1.65;
}

/* Continuous Mission Statement Callout */
.mission-callout-card {
  background-color: var(--pure-white);
  border: 1px solid var(--border-neutral);
  border-top: 4px solid var(--primary-maroon);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin: 2rem 0 3rem;
  box-shadow: var(--shadow-subtle);
}

.mission-callout-card h2 {
  font-size: 1.45rem;
  color: var(--primary-maroon);
  margin-bottom: 1rem;
  font-weight: 800;
}

.mission-continuous-text {
  font-size: 1.05rem;
  color: var(--body-text);
  line-height: 1.75;
  text-align: justify;
}

/* 5-Column Audience Bar */
.audience-nav-bar {
  background-color: var(--pure-white);
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-md);
  margin: -1.75rem auto 2.5rem;
  max-width: 1200px;
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  divide-x: 1px solid var(--border-neutral);
}

.audience-item {
  padding: 1.1rem 0.85rem;
  text-align: center;
  border-right: 1px solid var(--border-neutral);
  transition: background-color 0.2s ease;
}

.audience-item:last-child {
  border-right: none;
}

.audience-item:hover {
  background-color: #F8FAFC;
}

.audience-item strong {
  display: block;
  font-size: 0.92rem;
  color: var(--primary-maroon);
  margin-bottom: 0.25rem;
}

.audience-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Cards & Grid Systems */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

.card {
  background-color: var(--pure-white);
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-img-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
  background-color: #E2E8F0;
  aspect-ratio: 16 / 9;
}

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

.card h3 {
  font-size: 1.25rem;
  color: var(--primary-maroon);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.card p {
  font-size: 0.95rem;
  color: var(--body-text);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card .card-footer-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-maroon);
}

.card .card-footer-link:hover {
  color: var(--deep-maroon);
  text-decoration: underline;
}

/* Funding Transparency Notice */
.funding-transparency-box {
  background-color: #EFF6FF;
  border-left: 4px solid #3B82F6;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  margin: 2rem 0;
  font-size: 0.95rem;
  color: #1E3A8A;
  line-height: 1.6;
}

.funding-transparency-box strong {
  color: #1E3A8A;
  display: block;
  margin-bottom: 0.25rem;
}

/* Forms */
.institutional-form {
  background-color: var(--pure-white);
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: var(--body-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.95rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-maroon);
  box-shadow: 0 0 0 3px rgba(122, 0, 60, 0.12);
}

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

/* Modal Popup */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(2px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: var(--pure-white);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.2);
  border-top: 5px solid var(--primary-maroon);
}

.modal-content h3 {
  font-size: 1.5rem;
  color: var(--primary-maroon);
  margin-bottom: 0.85rem;
  font-weight: 800;
}

.modal-content p {
  color: var(--body-text);
  font-size: 0.98rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* Article / Long-form Content Styling */
.institutional-article {
  background-color: var(--pure-white);
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: var(--shadow-subtle);
  margin-bottom: 2.5rem;
}

.institutional-article h2 {
  font-size: 1.5rem;
  color: var(--primary-maroon);
  margin: 2rem 0 1rem;
  font-weight: 800;
  border-bottom: 1px solid var(--border-neutral);
  padding-bottom: 0.4rem;
}

.institutional-article h3 {
  font-size: 1.25rem;
  color: var(--deep-maroon);
  margin: 1.5rem 0 0.75rem;
  font-weight: 700;
}

.institutional-article p {
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--body-text);
}

.institutional-article ul {
  margin: 1rem 0 1.5rem 1.75rem;
  line-height: 1.75;
}

.institutional-article li {
  margin-bottom: 0.5rem;
}

/* --------------------------------------------------------------------------
   FOOTER SYSTEM
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--footer-slate);
  color: #F8FAFC;
  margin-top: auto;
  border-top: 4px solid var(--primary-maroon);
}

.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  letter-spacing: 0.02em;
}

.footer-col p {
  color: #CBD5E1;
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

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

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

.footer-links a {
  color: #CBD5E1;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--secondary-gold);
  text-decoration: underline;
}

.footer-statutory-box {
  background-color: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 1.35rem 1.5rem;
  margin-bottom: 2rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #E2E8F0;
  text-align: justify;
}

.footer-bottom {
  background-color: var(--footer-dark);
  padding: 1.25rem 1rem;
  font-size: 0.82rem;
  color: #94A3B8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-bottom a {
  color: #CBD5E1;
}

.footer-bottom a:hover {
  color: var(--secondary-gold);
}

/* --------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .audience-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--pure-white);
    border-bottom: 2px solid var(--primary-maroon);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
  }

  .main-nav.active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    border: none;
    padding-left: 1.5rem;
    background-color: #F8FAFC;
  }

  .hero-inner h1 {
    font-size: 1.85rem;
  }

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

  .audience-item {
    border-right: none;
    border-bottom: 1px solid var(--border-neutral);
  }

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

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

  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }

  .institutional-article {
    padding: 1.5rem;
  }
}