/* ============================================================
   CCL Mid Hudson — style.css
   Modern CSS: custom properties, Grid, Flexbox, clamp()
   No framework dependencies
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --color-primary:        #0D7C66;
  --color-primary-dark:   #095C4B;
  --color-primary-light:  #E8F5F1;
  --color-accent:         #2ECC71;
  --color-accent-dark:    #27AE60;
  --color-warm:           #E67E22;
  --color-warm-dark:      #CA6F1E;
  --color-dark:           #1A2332;
  --color-dark-card:      #22303f;
  --color-gray:           #4A5568;
  --color-gray-light:     #A0AEC0;
  --color-light:          #F7FAFC;
  --color-white:          #FFFFFF;

  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --section-padding-y:    clamp(3.5rem, 8vw, 7rem);
  --container-width:      72rem;
  --container-padding:    clamp(1rem, 4vw, 2.5rem);
  --nav-height:           4rem;

  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1.25rem;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.18);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.25);

  --transition: 200ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-dark);
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition);
}
.skip-link:focus { top: 0.5rem; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p { max-width: 70ch; }

strong { font-weight: 700; }

/* ---- Layout Utilities ---- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-narrow { max-width: 52rem; }

.section {
  padding-block: var(--section-padding-y);
}

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

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

.section-action {
  background: var(--color-dark);
  background-image: url('/assets/img/bg-callout.jpg');
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  position: relative;
}
.section-action::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 124, 102, 0.82);
}
.section-action .container { position: relative; z-index: 1; }

.section-heading {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-white);
}
.section-heading::after {
  content: '';
  display: block;
  width: 3.5rem;
  height: 4px;
  background: var(--color-accent);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

.section-heading-dark {
  color: var(--color-dark);
}
.section-heading-dark::after {
  background: var(--color-primary);
}

.section-intro {
  text-align: center;
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.text-center { text-align: center; }
.text-center p { margin-inline: auto; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: rgba(46,204,113,0.12);
  border-color: var(--color-accent-dark);
  color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
}

.btn-lg {
  padding: 0.9rem 2.25rem;
  font-size: 1.1rem;
}

/* ---- Navigation ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-dark);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-brand:hover { color: var(--color-accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  align-items: center;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a[aria-current="true"] {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 0;
}

.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-hamburger { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* Mobile nav */
@media (max-width: 700px) {
  .nav-toggle { display: block; }

  #nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-dark);
    z-index: 99;
    overflow-y: auto;
  }
  #nav-menu.open { display: flex; align-items: center; justify-content: center; }

  .nav-links {
    flex-direction: column;
    gap: 0;
    text-align: center;
    width: 100%;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 1.25rem 2rem;
    font-size: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-links a:hover { background: rgba(255,255,255,0.05); }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-height));
  display: flex;
  align-items: center;
  background-image: url('/assets/img/bg-masthead.jpg');
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  text-align: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(13, 35, 50, 0.82) 0%,
    rgba(13, 124, 102, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 56rem;
  margin-inline: auto;
  padding: clamp(2rem, 6vw, 4rem) var(--container-padding);
}

.hero h1 {
  color: var(--color-white);
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  font-style: italic;
  margin-bottom: 1.75rem;
  max-width: 52ch;
  margin-inline: auto;
}

.hero-mission {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.92);
  margin-bottom: 2.5rem;
  max-width: 58ch;
  margin-inline: auto;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ---- Events ---- */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 26rem), 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.event-card {
  display: flex;
  gap: 1.25rem;
  background: var(--color-dark-card);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.event-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.event-date-badge {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  width: 3.5rem;
  min-height: 3.5rem;
  padding: 0.4rem;
  line-height: 1;
}
.event-month {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
}
.event-day {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-white);
}

.event-details { flex: 1; min-width: 0; }

.event-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.35rem;
}

.event-time {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.event-location {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--color-gray-light);
  margin-bottom: 0.4rem;
}
.event-location a {
  color: var(--color-gray-light);
  text-decoration: none;
}
.event-location a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.event-description {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.event-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}
.event-link:hover { text-decoration: underline; }

.events-empty {
  text-align: center;
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  padding: 3rem 0;
}

.events-footer {
  text-align: center;
  margin-top: 1rem;
}

/* ---- Take Action ---- */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.action-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
}

.action-body {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  flex: 1;
}

.action-footer {
  text-align: center;
}
.action-footer a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  text-decoration: none;
}
.action-footer a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

/* ---- Values ---- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.value-card {
  text-align: center;
  padding: 1.5rem 1rem;
}

.value-icon-wrap {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1rem;
  padding: 0.75rem;
  transition: background var(--transition), transform var(--transition);
}
.value-card:hover .value-icon-wrap {
  background: rgba(255,255,255,0.18);
  transform: scale(1.05);
}

.value-icon-wrap img { width: 100%; height: 100%; object-fit: contain; }

.value-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.6rem;
}

.value-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.6;
  text-align: left;
}

/* ---- Policy ---- */
.policy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: 0;
}

.policy-card {
  position: relative;
  display: block;
  overflow: hidden;
  text-decoration: none;
  aspect-ratio: 16 / 9;
}

.policy-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease, filter 400ms ease;
}

.policy-caption {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(13, 35, 50, 0.96) 0%,
    rgba(13, 35, 50, 0.55) 55%,
    rgba(13, 35, 50, 0.1) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.policy-card:hover img,
.policy-card:focus-visible img {
  transform: scale(1.04);
  filter: brightness(0.75);
}
.policy-card:hover .policy-caption,
.policy-card:focus-visible .policy-caption {
  opacity: 1;
}

/* Always show caption on small screens (no hover) */
@media (hover: none) {
  .policy-caption {
    opacity: 1;
    background: linear-gradient(
      to top,
      rgba(13, 35, 50, 0.9) 0%,
      rgba(13, 35, 50, 0.4) 60%,
      transparent 100%
    );
  }
}

.policy-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.4rem;
}

.policy-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.5;
}

/* ---- Gallery ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 0.75rem;
}

.gallery-item {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-gray-light);
  border: none;
  padding: 0;
  cursor: pointer;
  display: block;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.04);
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  cursor: zoom-out;
}

.lightbox[hidden] { display: none; }

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  cursor: default;
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.lightbox-close:hover { opacity: 1; }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  text-align: left;
}
.contact-item {
  background: var(--color-dark-card);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-item p {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  line-height: 1.7;
  flex: 1;
}
.contact-item a:not(.btn) {
  color: var(--color-accent);
  font-weight: 600;
}
.contact-item a:not(.btn):hover { text-decoration: underline; }

/* ---- Footer ---- */
.warming-stripes {
  display: block;
  width: 100%;
  height: 12px;
  object-fit: cover;
  object-position: center;
}

.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
}

.footer-content {
  max-width: var(--container-width);
  margin-inline: auto;
  padding: 2.5rem var(--container-padding) 2rem;
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  list-style: none;
  margin-bottom: 1.25rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.social-links a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-copy {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.25rem;
  max-width: none;
}

.footer-parent {
  font-size: 0.85rem;
  max-width: none;
}
.footer-parent a {
  color: var(--color-accent);
  text-decoration: none;
}
.footer-parent a:hover { text-decoration: underline; }

/* ---- Scroll to top ---- */
.scroll-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), background var(--transition), transform var(--transition);
  z-index: 50;
}
.scroll-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.scroll-to-top.visible { opacity: 1; pointer-events: auto; }

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