/* ==========================================================================
   ONTARIO MSK RAC : ZERO-FRAMEWORK DESIGN SYSTEM
   Standard: WCAG 2.1 AAA / AODA Compliant • 100/100 Lighthouse Optimized
   No NPM • No Build Tools • Pure CSS Custom Properties (:root)
   ========================================================================== */

:root {
  /* --- Brand Color Tokens (Extracted & Refined from BRIEF.md) --- */
  --color-brand-primary: #170F4C;
  --color-brand-primary-hover: #221868;
  --color-brand-primary-light: #2A1E7A;

  --color-brand-secondary: #44477C;
  --color-brand-secondary-hover: #363964;

  --color-accent: #565ADD;
  --color-accent-hover: #4347C7;
  --color-accent-subtle: #ECEEFE;

  /* --- Surface Tokens --- */
  --color-surface-canvas: #FFFFFF;
  --color-surface-card: #FFFFFF;
  --color-surface-ice: #F0F1FF;
  --color-surface-lavender: #CFD3F9;
  --color-surface-muted: #F8F9FE;

  /* --- Text & Contrast Neutrals --- */
  --color-text-primary: #170F4C;
  --color-text-secondary: #44477C;
  --color-text-muted: #5A5D7A;
  --color-text-light: #F0F1FF;
  --color-text-charcoal: #212121;

  /* --- Borders & Outlines --- */
  --color-border-subtle: #E2E4F0;
  --color-border-medium: #CFD3F9;
  --color-border-strong: #170F4C;

  /* --- Status Indicators --- */
  --color-success: #16A34A;
  --color-success-bg: #DCFCE7;
  --color-warning: #D97706;
  --color-warning-bg: #FEF3C7;
  --color-error: #DC2626;
  --color-error-bg: #FEE2E2;

  /* --- System UI Typography Stack --- */
  --font-family-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* --- Fluid Typography Scales --- */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 2rem;      /* 32px */
  --font-size-4xl: 2.5rem;    /* 40px */
  --font-size-5xl: clamp(2.25rem, 4vw + 1rem, 3.25rem); /* Responsive Display H1 */

  --line-height-tight: 1.15;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;

  /* --- Spacing System --- */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */

  /* --- Elevation & Geometry --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(23, 15, 76, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(23, 15, 76, 0.08), 0 2px 4px -2px rgba(23, 15, 76, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(23, 15, 76, 0.1), 0 4px 6px -4px rgba(23, 15, 76, 0.05);
  --shadow-card-hover: 0 14px 28px -4px rgba(23, 15, 76, 0.12);

  /* --- Animations --- */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Structural Constraints --- */
  --container-max-width: 1200px;
  --header-height: 80px;
}

/* ==========================================================================
   CSS Reset & High-Performance Base
   ========================================================================== */

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

html {
  font-family: var(--font-family-body);
  font-size: 16px;
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-surface-canvas);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -999px;
  left: var(--space-4);
  background: var(--color-brand-primary);
  color: var(--color-surface-canvas);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 10000;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Focus Visibility & Accessibility Outlines */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  color: var(--color-brand-primary);
  line-height: var(--line-height-tight);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-5xl); margin-bottom: var(--space-4); }
h2 { font-size: var(--font-size-3xl); margin-bottom: var(--space-3); }
h3 { font-size: var(--font-size-2xl); margin-bottom: var(--space-2); }
h4 { font-size: var(--font-size-xl); margin-bottom: var(--space-2); }
p { margin-bottom: var(--space-4); color: var(--color-text-secondary); line-height: var(--line-height-relaxed); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

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

/* ==========================================================================
   Layout Containers & Grid Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-sm {
  padding-top: var(--space-5);
  padding-bottom: var(--space-8);
}

.section-alt,
.section-ice {
  background-color: var(--color-surface-ice);
}

.section-muted {
  background-color: var(--color-surface-muted);
}

.section-dark {
  background-color: var(--color-brand-primary);
  color: var(--color-text-light);
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--color-surface-canvas);
}

.section-dark p {
  color: var(--color-surface-lavender);
}

/* ==========================================================================
   Standardized Call-to-Action (CTA) Section
   ========================================================================== */

.section-cta {
  text-align: center;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-cta .container {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-cta h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
  color: var(--color-brand-primary);
}

.section-cta p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-cta .cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* Modifier: Dark Theme CTA */
.section-cta.section-dark {
  background-color: var(--color-brand-primary);
  color: var(--color-text-light);
}

.section-cta.section-dark h2 {
  color: var(--color-surface-canvas);
}

.section-cta.section-dark p {
  color: var(--color-surface-lavender);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .section { padding-top: var(--space-10); padding-bottom: var(--space-10); }
}

/* Flexbox Helpers */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ==========================================================================
   Header & Sticky Masthead Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-brand-primary);
  font-weight: 700;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-tight);
}

.brand-logo-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}

.brand-name-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-brand-primary);
  letter-spacing: -0.01em;
}

.brand-kicker {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-brand-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navigation Links */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  color: var(--color-brand-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--color-surface-ice);
  color: var(--color-accent);
}

.nav-link.active {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  cursor: pointer;
  color: var(--color-brand-primary);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 992px) {
  .mobile-menu-btn { display: inline-flex; }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface-canvas);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: var(--space-6);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    box-shadow: var(--shadow-lg);
    display: none;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .nav-link {
    padding: var(--space-3);
    font-size: var(--font-size-base);
  }

  .header-actions {
    flex-direction: column;
    width: 100%;
  }

  .header-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   Buttons & Action Components
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1.25;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-brand-primary);
  color: var(--color-surface-canvas);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-brand-primary-hover);
  box-shadow: var(--shadow-md);
  color: var(--color-surface-canvas);
}

.btn-secondary {
  background-color: var(--color-surface-ice);
  color: var(--color-brand-primary);
  border-color: var(--color-surface-lavender);
}

.btn-secondary:hover {
  background-color: var(--color-surface-lavender);
  color: var(--color-brand-primary);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-surface-canvas);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-surface-canvas);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-brand-primary);
  border-color: var(--color-border-strong);
}

.btn-outline:hover {
  background-color: var(--color-brand-primary);
  color: var(--color-surface-canvas);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: var(--font-size-xs);
}

/* ==========================================================================
   Hero Banners
   ========================================================================== */

.hero {
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-surface-ice) 100%);
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-8);
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.hero-kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.hero-title {
  color: var(--color-brand-primary);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.hero-badges-bar {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 600;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.badge-item svg {
  color: var(--color-success);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-preview {
  background: var(--color-surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-medium);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  width: 100%;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .hero-badges-bar {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
  }
  .hero-badges {
    gap: var(--space-4) var(--space-6);
  }
}

/* ==========================================================================
   Cards & Component Blocks
   ========================================================================== */

.card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-medium);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-surface-ice);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-icon-sm {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-icon-sm svg {
  width: 24px;
  height: 24px;
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-brand-primary);
}

.card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.card-list {
  margin-bottom: var(--space-4);
}

.card-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.card-list-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  background-color: var(--color-surface-ice);
  color: var(--color-brand-primary);
}

/* ==========================================================================
   Clinical Pathway Diagram (CSS & SVG Hybrid)
   ========================================================================== */

.pathway-container {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  margin-top: var(--space-8);
}

.pathway-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  position: relative;
}

.pathway-node {
  background: var(--color-surface-muted);
  border: 2px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pathway-node.active-hub {
  border-color: var(--color-accent);
  background: var(--color-surface-ice);
}

.pathway-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-brand-primary);
  color: var(--color-surface-canvas);
  font-size: var(--font-size-xs);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.pathway-node-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-brand-primary);
  margin-bottom: var(--space-2);
}

.pathway-node-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

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

/* ==========================================================================
   Stats & Metric Grids
   ========================================================================== */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  background: var(--color-brand-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  color: var(--color-surface-canvas);
  box-shadow: var(--shadow-lg);
}

.stat-block {
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.stat-block:last-child {
  border-right: none;
}

.stat-num {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-surface-lavender);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-surface-ice);
  font-weight: 500;
  line-height: var(--line-height-snug);
}

@media (max-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-block:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 480px) {
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .stat-block {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
  }
  .stat-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }
}

/* ==========================================================================
   Accessible Forms
   ========================================================================== */

.form-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-brand-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  color: var(--color-brand-primary);
  background-color: var(--color-surface-canvas);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-accent);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

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

.form-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.form-feedback {
  display: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.form-feedback.is-success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-feedback.is-error {
  display: block;
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

/* ==========================================================================
   Institutional Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-brand-primary);
  color: var(--color-surface-canvas);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand h3 {
  color: var(--color-surface-canvas);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.footer-brand p {
  color: var(--color-surface-lavender);
  font-size: var(--font-size-sm);
  max-width: 340px;
}

.footer-title {
  color: var(--color-surface-canvas);
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--color-surface-lavender);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-surface-lavender);
}

.footer-compliance-tags {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.footer-compliance-tag {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

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

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}