/* =============================================================================
   POST MILLS AIRPORT — STYLESHEET
   A clean, professional, mobile-first CSS for a municipal general aviation
   airport website. No external dependencies.
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. CUSTOM PROPERTIES (Design Tokens)
   ----------------------------------------------------------------------------- */
:root {
  /* Brand colors — aviation-appropriate palette */
  --color-navy:          #0d1b2a;   /* deep navy — primary brand, nav background */
  --color-navy-mid:      #1b3a5c;   /* mid navy — hero gradient, card accents */
  --color-navy-light:    #2a5298;   /* lighter navy — links, highlights */
  --color-amber:         #e8a020;   /* amber — accent, CTAs, badge highlights */
  --color-amber-dark:    #c47f0a;   /* darker amber — hover states */
  --color-amber-light:   #fdf0d5;   /* pale amber — notice card tint */
  --color-white:         #ffffff;
  --color-off-white:     #f8f9fb;   /* page background */
  --color-gray-100:      #f1f3f6;
  --color-gray-200:      #e2e6ed;
  --color-gray-400:      #9aa5b4;
  --color-gray-600:      #4a5568;
  --color-gray-800:      #1a202c;
  --color-green:         #2d6a4f;   /* operational/active status */
  --color-red:           #9b2335;   /* closed/critical status */

  /* Typography */
  --font-sans:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                  "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --text-xs:    0.75rem;    /*  12px */
  --text-sm:    0.875rem;   /*  14px */
  --text-base:  1rem;       /*  16px */
  --text-lg:    1.125rem;   /*  18px */
  --text-xl:    1.25rem;    /*  20px */
  --text-2xl:   1.5rem;     /*  24px */
  --text-3xl:   1.875rem;   /*  30px */
  --text-4xl:   2.25rem;    /*  36px */
  --text-5xl:   3rem;       /*  48px */

  --leading-tight:  1.25;
  --leading-snug:   1.375;
  --leading-normal: 1.6;

  --weight-normal:  400;
  --weight-medium:  500;
  --weight-semibold:600;
  --weight-bold:    700;

  /* Spacing scale */
  --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 */
  --space-24:  6rem;      /* 96px */

  /* Layout */
  --container-max:    1100px;
  --container-pad:    var(--space-6);

  /* Borders & Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.10), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 28px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);

  /* Transitions */
  --transition-fast:  150ms ease;
  --transition-base:  250ms ease;

  /* Header height (used for scroll offset) */
  --header-height: 64px;
}


/* -----------------------------------------------------------------------------
   2. RESET & BASE
   ----------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-gray-800);
  background-color: var(--color-off-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--color-navy-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-amber-dark);
}

a:focus-visible {
  outline: 3px solid var(--color-amber);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--leading-tight);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  padding-left: var(--space-6);
}

address {
  font-style: normal;
}

/* Utility: visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}


/* -----------------------------------------------------------------------------
   3. LAYOUT CONTAINER
   ----------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}


/* -----------------------------------------------------------------------------
   4. HEADER & NAVIGATION
   ----------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-navy);
  box-shadow: 0 2px 8px rgba(0,0,0,0.30);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-4);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-white);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.site-logo:hover,
.site-logo:focus {
  color: var(--color-white);
  opacity: 0.85;
}

.logo-icon {
  font-size: 1.4em;
  line-height: 1;
  /* Slight rotation for forward-moving appearance */
  display: inline-block;
  transform: rotate(0deg);
}

/* Navigation */
.site-nav {
  margin-left: auto;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-white);
  background-color: rgba(255,255,255,0.10);
}

.nav-link.active {
  color: var(--color-amber);
  border-bottom-color: var(--color-amber);
}

/* --- Hamburger menu (CSS-only checkbox hack) --- */
.nav-toggle-checkbox {
  display: none;
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
}

.nav-toggle-label {
  display: none;   /* shown only on mobile — see media query below */
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 21px;
  cursor: pointer;
  margin-left: auto;
  padding: 2px 0;
  flex-shrink: 0;
  z-index: 10;
}

.nav-toggle-label span {
  display: block;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

/* Animate hamburger to X when open */
.nav-toggle-checkbox:checked ~ .nav-toggle-label span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-toggle-checkbox:checked ~ .nav-toggle-label span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle-checkbox:checked ~ .nav-toggle-label span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Mobile nav: dropdown */
@media (max-width: 640px) {
  .nav-toggle-label {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-navy);
    border-top: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    margin-left: 0;
  }

  .nav-toggle-checkbox:checked ~ .site-nav {
    max-height: 300px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
  }

  .nav-link {
    padding: var(--space-3) var(--container-pad);
    border-radius: 0;
    border-bottom: none;
    font-size: var(--text-base);
    border-left: 3px solid transparent;
  }

  .nav-link.active {
    border-left-color: var(--color-amber);
    background-color: rgba(255,255,255,0.05);
  }
}


/* -----------------------------------------------------------------------------
   5. BUTTONS
   ----------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 3px solid var(--color-amber);
  outline-offset: 3px;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-amber);
  color: var(--color-navy);
  border-color: var(--color-amber);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-amber-dark);
  border-color: var(--color-amber-dark);
  color: var(--color-navy);
  box-shadow: 0 4px 12px rgba(232, 160, 32, 0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.60);
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: rgba(255,255,255,0.12);
  border-color: var(--color-white);
  color: var(--color-white);
}


/* -----------------------------------------------------------------------------
   6. HERO SECTION
   ----------------------------------------------------------------------------- */
.hero {
  position: relative;
  background-image: url('../images/hero-balloons-aerial.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  color: var(--color-white);
  padding: var(--space-24) 0 var(--space-20);
  overflow: hidden;
  text-align: center;
}

/* Dark overlay so white text stays readable over the photo */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 20, 38, 0.62) 0%,
    rgba(10, 20, 38, 0.50) 60%,
    rgba(10, 20, 38, 0.68) 100%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-eyebrow {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-3);
}

.hero-title {
  font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-xl));
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--space-10);
  line-height: var(--leading-snug);
}

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


/* -----------------------------------------------------------------------------
   7. PAGE HERO (inner pages — e.g. notices.html)
   ----------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-12);
  border-bottom: 4px solid var(--color-amber);
}

.page-hero-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  line-height: var(--leading-snug);
  margin-bottom: 0;
}


/* -----------------------------------------------------------------------------
   8. SECTION BASE STYLES
   ----------------------------------------------------------------------------- */
.section {
  padding: var(--space-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-3xl));
  margin-bottom: var(--space-3);
  color: var(--color-navy);
  position: relative;
  display: inline-block;
}

/* Decorative underline on section titles */
.section-title::after {
  content: '';
  display: block;
  margin: var(--space-3) auto 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-amber), var(--color-navy-light));
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-top: var(--space-3);
  margin-bottom: 0;
}

/* Alternating section backgrounds */
.section-about {
  background-color: var(--color-white);
}

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

.section-notices-preview {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section-notices-preview .section-title {
  color: var(--color-white);
}

.section-notices-preview .section-subtitle {
  color: rgba(255,255,255,0.72);
}

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


/* -----------------------------------------------------------------------------
   PHOTO GALLERY
   ----------------------------------------------------------------------------- */
.section-gallery {
  line-height: 0; /* removes gap caused by inline-block baseline */
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 240px;
  gap: 3px;
}

/* First item spans two rows to be taller */
.gallery-item--tall {
  grid-row: span 2;
}

/* Wide item spans two columns */
.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item {
  margin: 0;
  overflow: hidden;
  background-color: var(--color-navy);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.4s ease;
  filter: brightness(0.92);
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(1);
}

/* Mobile: single column stack */
@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 180px 180px;
  }

  .gallery-item--tall {
    grid-row: span 1;
  }

  .gallery-item--wide {
    grid-column: span 2;
  }
}


/* -----------------------------------------------------------------------------
   9. ABOUT / FEATURE CARDS
   ----------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .about-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-card {
  background-color: var(--color-off-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  border-top: 4px solid var(--color-navy-light);
}

.about-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.about-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.about-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-navy);
}

.about-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-normal);
}


/* -----------------------------------------------------------------------------
   10. HOURS & LOCATION INFO CARDS
   ----------------------------------------------------------------------------- */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.info-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-sm);
}

.info-card-title {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-gray-100);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.info-card-icon {
  font-size: 1.25em;
}

/* Hours Table */
.hours-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.hours-table th,
.hours-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-100);
}

.hours-table th {
  font-weight: var(--weight-semibold);
  color: var(--color-gray-600);
  width: 45%;
}

.hours-table td {
  color: var(--color-gray-800);
}

.hours-table tr:last-child th,
.hours-table tr:last-child td {
  border-bottom: none;
}

.info-note {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  font-style: italic;
}

/* Airport address */
.airport-address {
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-gray-800);
}

/* Facilities list */
.facilities-list,
.directions-list {
  list-style: none;
  padding: 0;
  font-size: var(--text-sm);
  color: var(--color-gray-800);
}

.facilities-list li,
.directions-list li {
  padding: var(--space-1) 0;
  padding-left: var(--space-5);
  position: relative;
  line-height: var(--leading-normal);
}

.facilities-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-amber);
  font-weight: var(--weight-bold);
}

.directions-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-navy-light);
  font-size: 0.9em;
}

/* Placeholder note — inline warning for data that must be verified */
.placeholder-note {
  font-size: var(--text-xs);
  color: var(--color-amber-dark);
  font-style: italic;
  background-color: var(--color-amber-light);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(196,127,10,0.25);
}


/* -----------------------------------------------------------------------------
   11. NOTICES PREVIEW BOX (homepage)
   ----------------------------------------------------------------------------- */
.notices-preview-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  gap: var(--space-6);
  max-width: 600px;
  margin: 0 auto;
}

.notices-preview-icon {
  font-size: 3rem;
  line-height: 1;
}

.notices-preview-text {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.85);
  line-height: var(--leading-snug);
  margin-bottom: 0;
}

.notices-preview-text strong {
  color: var(--color-white);
}


/* -----------------------------------------------------------------------------
   12. CONTACT SECTION
   ----------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  max-width: 820px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  background-color: var(--color-off-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  border-bottom: 4px solid var(--color-amber);
}

.contact-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.contact-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-navy);
}

.contact-card p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.contact-card a {
  font-weight: var(--weight-semibold);
  color: var(--color-navy-light);
}

.contact-note {
  font-size: var(--text-xs);
  color: var(--color-amber-dark);
  background-color: var(--color-amber-light);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  display: inline-block;
  margin-top: var(--space-1);
}


/* -----------------------------------------------------------------------------
   13. NOTICES PAGE STYLES
   ----------------------------------------------------------------------------- */
.section-notices {
  background-color: var(--color-off-white);
}

/* Disclaimer bar */
.notices-meta {
  margin-bottom: var(--space-8);
}

.notices-disclaimer {
  background-color: var(--color-amber-light);
  border: 1px solid rgba(196,127,10,0.35);
  border-left: 4px solid var(--color-amber);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  line-height: var(--leading-normal);
}

.notices-disclaimer a {
  color: var(--color-amber-dark);
  font-weight: var(--weight-semibold);
}

/* Loading state */
.notices-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-20) 0;
  color: var(--color-gray-600);
  font-size: var(--text-lg);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-navy-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Empty & error states */
.notices-empty,
.notices-error {
  text-align: center;
  padding: var(--space-20) var(--space-6);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  max-width: 560px;
  margin: 0 auto;
}

.notices-empty-icon,
.notices-error-icon {
  font-size: 3rem;
  margin-bottom: var(--space-5);
  line-height: 1;
}

.notices-empty h3,
.notices-error h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-navy);
}

.notices-empty p,
.notices-error p {
  font-size: var(--text-base);
  color: var(--color-gray-600);
}

.notices-error {
  border-color: rgba(155,35,53,0.25);
  background-color: #fff8f8;
}

.notices-error-icon {
  color: var(--color-red);
}

/* Notices list */
.notices-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Individual notice card */
.notice-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

.notice-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6) var(--space-4);
  background-color: var(--color-navy);
  border-bottom: 3px solid var(--color-amber);
}

.notice-title-area {
  flex: 1;
  min-width: 0;
}

.notice-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
  margin: 0;
}

/* Date badge */
.notice-date-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-amber);
  color: var(--color-navy);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 2px;
}

.notice-date-icon {
  font-size: 0.9em;
}

/* Notice body — markdown rendered content */
.notice-body {
  padding: var(--space-6);
}

/* Prose styles for rendered markdown */
.prose {
  color: var(--color-gray-800);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

.prose h1, .prose h2, .prose h3,
.prose h4, .prose h5, .prose h6 {
  color: var(--color-navy);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.prose h1 { font-size: var(--text-2xl); }
.prose h2 { font-size: var(--text-xl); }
.prose h3 { font-size: var(--text-lg); }

.prose p {
  margin-bottom: var(--space-4);
}

.prose ul, .prose ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.prose li {
  margin-bottom: var(--space-1);
}

.prose strong {
  font-weight: var(--weight-semibold);
  color: var(--color-navy);
}

.prose em {
  font-style: italic;
}

.prose a {
  color: var(--color-navy-light);
}

.prose blockquote {
  border-left: 4px solid var(--color-amber);
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-5);
  background-color: var(--color-amber-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.prose blockquote p {
  margin: 0;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--color-gray-100);
  padding: 2px 5px;
  border-radius: var(--radius-sm);
}

.prose pre {
  background-color: var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

.prose pre code {
  background: none;
  padding: 0;
}

.prose hr {
  border: none;
  border-top: 2px solid var(--color-gray-200);
  margin: var(--space-8) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.prose th,
.prose td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-200);
}

.prose th {
  background-color: var(--color-gray-100);
  font-weight: var(--weight-semibold);
}


/* -----------------------------------------------------------------------------
   14. FOOTER
   ----------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-navy);
  color: rgba(255,255,255,0.72);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
  border-top: 4px solid var(--color-amber);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-logo-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  margin-bottom: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-6);
  margin: var(--space-2) 0;
}

.footer-nav a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--color-amber);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.40);
  margin-bottom: 0;
}


/* -----------------------------------------------------------------------------
   15. RESPONSIVE REFINEMENTS
   ----------------------------------------------------------------------------- */

/* Tablet and up */
@media (min-width: 768px) {
  .hero {
    padding: var(--space-24) 0;
  }

  .notice-card-header {
    padding: var(--space-6) var(--space-8) var(--space-5);
  }

  .notice-body {
    padding: var(--space-8);
  }
}

/* Wide screens */
@media (min-width: 1024px) {
  .section {
    padding: var(--space-24) 0;
  }
}


/* -----------------------------------------------------------------------------
   16. PRINT STYLES
   ----------------------------------------------------------------------------- */
@media print {
  /* Hide navigation and non-content elements */
  .site-header,
  .hero,
  .page-hero,
  .section-about,
  .section-notices-preview,
  .section-contact,
  .site-footer,
  .btn,
  .notices-meta,
  .nav-toggle-label {
    display: none !important;
  }

  body {
    font-size: 11pt;
    color: #000;
    background: #fff;
  }

  .section-notices {
    padding: 0;
  }

  .notices-list {
    gap: 16pt;
  }

  .notice-card {
    border: 1pt solid #ccc;
    page-break-inside: avoid;
    box-shadow: none;
  }

  .notice-card-header {
    background-color: #1b3a5c !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    padding: 8pt 10pt;
  }

  .notice-title {
    font-size: 14pt;
    color: #fff !important;
  }

  .notice-date-badge {
    font-size: 9pt;
    background-color: #e8a020 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .notice-body {
    padding: 8pt 10pt;
  }

  /* Print URL after links */
  .prose a::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
    color: #555;
  }

  /* Page title for print */
  .container::before {
    content: "Post Mills Airport — Notices";
    display: block;
    font-size: 18pt;
    font-weight: bold;
    margin-bottom: 10pt;
    border-bottom: 2pt solid #1b3a5c;
    padding-bottom: 4pt;
  }

  .notices-empty,
  .notices-error,
  .notices-loading {
    border: 1pt solid #ccc;
  }
}