:root {
      --primary: #2d6a4f;
      --accent: #52b788;
      --light-accent: #d8f3dc;
      --nav-solid: #1b4332;
      --text-dark: #1a1a1a;
      --text-muted: #4a5568;
      --white: #ffffff;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: 'Inter', system-ui, sans-serif;
      color: var(--text-dark);
      background: var(--white);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }

    /* ——— Nav: always solid white bar (Ocean Cleanup–style) ——— */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1200;
      background: #ffffff;
      border-bottom: 1px solid rgba(45, 106, 79, 0.12);
      box-shadow: 0 2px 14px rgba(15, 46, 33, 0.06);
      transition:
        box-shadow 0.35s ease,
        border-color 0.35s ease;
      padding: 0;
    }

    .site-header.is-scrolled {
      box-shadow: 0 8px 32px rgba(15, 46, 33, 0.12);
      border-bottom-color: rgba(45, 106, 79, 0.14);
    }

    .nav-bar {
      display: flex;
      align-items: stretch;
      width: 100%;
      min-height: 4.5rem;
    }

    .logo-block {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      align-self: stretch;
      gap: 0.55rem;
      padding: 0 1.15rem 0 1rem;
      margin: -1px 0;
      background: var(--primary);
      color: var(--white);
      flex-shrink: 0;
      border: none;
      box-sizing: border-box;
      min-height: calc(4.5rem + 2px);
      pointer-events: none;
      cursor: default;
      user-select: none;
      -webkit-user-select: none;
      box-shadow:
        0 -1px 0 var(--primary),
        0 1px 0 var(--primary),
        1px 0 0 var(--primary);
    }

    .logo-block__img {
      display: block;
      width: 2rem;
      height: 2rem;
      border-radius: 50%;
      object-fit: contain;
      flex-shrink: 0;
      background: transparent;
    }

    .logo-block__text {
      font-size: clamp(1.05rem, 2.5vw, 1.35rem);
      font-weight: 800;
      letter-spacing: 0.03em;
      white-space: nowrap;
      text-transform: none;
      color: var(--white);
    }

    .nav-main {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      min-width: 0;
      padding-left: 0.35rem;
      padding-right: 0.5rem;
    }

    .nav-links {
      display: none;
      align-items: center;
      gap: 0.15rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    @media (min-width: 1024px) {
      .nav-links {
        display: flex;
        justify-content: flex-start;
      }
    }

    .nav-end {
      display: none;
      align-items: center;
      gap: 0.45rem;
      flex-shrink: 0;
      padding-right: 1.15rem;
    }

    @media (min-width: 1024px) {
      .nav-end {
        display: flex;
      }
    }

    .nav-secondary {
      display: flex;
      align-items: center;
      gap: 0.25rem;
      margin-right: 0.4rem;
      padding-right: 0.85rem;
      border-right: 1px solid rgba(45, 106, 79, 0.18);
    }

    .nav-secondary a {
      padding: 0.5rem 0.68rem;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--nav-solid);
      transition: color 0.2s;
    }

    .nav-secondary a:hover {
      color: var(--primary);
    }

    .nav-search-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 2.5rem;
      height: 2.5rem;
      padding: 0;
      border: none;
      background: transparent;
      color: var(--nav-solid);
      cursor: pointer;
      border-radius: 6px;
      transition: background 0.2s, color 0.2s;
    }

    .nav-search-btn:hover {
      background: rgba(45, 106, 79, 0.08);
      color: var(--primary);
    }

    .nav-search-btn svg {
      width: 1.22rem;
      height: 1.22rem;
    }

    .nav-donate {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.72rem 1.55rem;
      border-radius: 3px;
      background: var(--nav-solid);
      color: var(--white) !important;
      font-weight: 800;
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 0.09em;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .nav-donate:hover {
      transform: translateY(-1px);
      box-shadow: 0 8px 24px rgba(27, 67, 50, 0.35);
    }

    .nav-links > li > a:not(.nav-dd-trigger),
    .nav-dd-trigger {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.6rem 0.85rem;
      font-size: 0.98rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--nav-solid);
      background: none;
      border: none;
      cursor: pointer;
      font-family: inherit;
      transition: color 0.2s;
    }

    .nav-links > li > a:not(.nav-dd-trigger):hover,
    .nav-dd-trigger:hover {
      color: var(--primary);
    }

    .nav-dd-trigger .caret {
      font-size: 0.65rem;
      opacity: 0.65;
    }

    .nav-item-mega {
      position: static;
    }

    @media (min-width: 1024px) {
      .nav-item-mega:hover .nav-dd-trigger,
      .site-header.mega-open-involved .nav-dd-involved,
      .site-header.mega-open-about .nav-dd-about {
        color: var(--primary);
      }
    }

    /* Full-width mega panels */
    .mega-panel {
      display: none;
      position: absolute;
      left: 0;
      right: 0;
      top: 100%;
      background: #f7faf8;
      border-top: 1px solid rgba(45, 106, 79, 0.12);
      box-shadow: 0 24px 48px rgba(15, 46, 33, 0.14);
      z-index: 999;
    }

    @media (min-width: 1024px) {
      .site-header.mega-open-involved .mega-panel--involved,
      .site-header.mega-open-about .mega-panel--about {
        display: block;
      }
    }

    .mega-panel__inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 2.5rem 1.5rem 3rem;
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
    }

    @media (min-width: 900px) {
      .mega-panel__inner {
        grid-template-columns: 1fr 1fr 220px;
        align-items: start;
        gap: 2rem;
      }

      .mega-panel--about .mega-panel__inner {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 220px;
      }
    }

    .mega-card {
      position: relative;
      display: block;
      border-radius: 10px;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
      transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s;
    }

    .mega-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
    }

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

    .mega-card__cap {
      position: absolute;
      inset: auto 0 0 0;
      padding: 1.25rem 1.25rem 1.35rem;
      background: linear-gradient(transparent, rgba(0, 0, 0, 0.78));
      display: flex;
      align-items: center;
      gap: 0.65rem;
      color: var(--white);
      font-weight: 800;
      font-size: 0.95rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .mega-card__arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 2.25rem;
      height: 2.25rem;
      border-radius: 9999px;
      background: var(--accent);
      color: var(--nav-solid);
      font-size: 1rem;
      flex-shrink: 0;
    }

    .mega-other {
      padding-top: 0.5rem;
      border-top: 1px solid rgba(45, 106, 79, 0.15);
    }

    @media (min-width: 900px) {
      .mega-other {
        border-top: none;
        border-left: 1px solid rgba(45, 106, 79, 0.15);
        padding: 0 0 0 2rem;
      }
    }

    .mega-other__label {
      margin: 0 0 0.65rem;
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--text-muted);
    }

    .mega-other hr {
      border: none;
      border-top: 1px solid rgba(45, 106, 79, 0.2);
      margin: 0 0 1rem;
    }

    .mega-other a {
      display: block;
      padding: 0.45rem 0;
      font-size: 1rem;
      font-weight: 700;
      color: var(--nav-solid);
      transition: color 0.2s;
    }

    .mega-other a:hover {
      color: var(--primary);
    }

    .mega-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      top: 0;
      background: rgba(13, 31, 23, 0.35);
      z-index: 1040;
    }

    @media (min-width: 1024px) {
      body.mega-open .mega-backdrop {
        display: block;
      }
    }

    .nav-toggle {
      display: flex;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
    }

    @media (min-width: 1024px) {
      .nav-toggle {
        display: none;
      }
    }

    .nav-toggle span {
      width: 24px;
      height: 2px;
      background: var(--nav-solid);
      border-radius: 1px;
      transition: transform 0.25s, opacity 0.25s;
    }

    .nav-toggle.is-open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.is-open span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.is-open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--nav-solid);
      z-index: 1250;
      padding: 5.5rem 1.5rem 2rem;
      flex-direction: column;
      gap: 0.25rem;
      overflow-y: auto;
    }

    .mobile-drawer.is-open {
      display: flex;
    }

    .mobile-drawer a {
      color: var(--white);
      font-weight: 600;
      padding: 0.75rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* ——— Footer ——— */
    .footer {
      background: var(--nav-solid);
      color: rgba(255, 255, 255, 0.88);
      padding: 3.5rem 1.5rem 0;
    }

    .footer__grid {
      max-width: 1100px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr;
      gap: 2.5rem;
    }

    @media (min-width: 900px) {
      .footer__grid {
        grid-template-columns: 1.35fr 1fr 1fr;
        gap: 2rem 3rem;
      }
    }

    .footer__logo-mark {
      width: 48px;
      height: 48px;
      margin-bottom: 1rem;
      border-radius: 50%;
      background: linear-gradient(180deg, var(--light-accent) 0%, var(--accent) 45%, var(--primary) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .footer__logo-mark svg {
      width: 26px;
      height: 26px;
      color: var(--nav-solid);
    }

    .footer__logo-mark img {
      width: 100%;
      height: 100%;
      border-radius: 9999px;
      object-fit: cover;
      display: block;
    }

    .footer__brand strong {
      display: block;
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--white);
      margin-bottom: 0.65rem;
    }

    .footer__brand p {
      margin: 0;
      font-size: 0.9375rem;
      line-height: 1.6;
      opacity: 0.85;
    }

    .footer__col h4 {
      margin: 0 0 1rem;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--light-accent);
    }

    .footer__col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer__col li {
      margin-bottom: 0.65rem;
    }

    .footer__col a {
      font-size: 0.9375rem;
      opacity: 0.9;
      transition: opacity 0.2s;
    }

    .footer__col a:hover {
      opacity: 1;
      color: var(--light-accent);
    }

    .footer__email {
      margin: 1.15rem 0 0;
      font-size: 0.9375rem;
      line-height: 1.5;
      opacity: 0.92;
    }

    .footer__email a {
      color: rgba(255, 255, 255, 0.95);
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .footer__social {
      display: flex;
      flex-wrap: wrap;
      gap: 0.65rem;
      margin-top: 1.15rem;
    }

    .footer__social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2.35rem;
      height: 2.35rem;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.92);
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .footer__social a:hover {
      background: var(--accent);
      color: var(--nav-solid);
      transform: translateY(-2px);
    }

    .footer__social svg {
      width: 1.1rem;
      height: 1.1rem;
      fill: currentColor;
    }

    .footer__bar {
      margin-top: 3rem;
      padding: 1.25rem 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      text-align: center;
      font-size: 0.8125rem;
      opacity: 0.75;
    }

    .logo-block--link {
      pointer-events: auto;
      cursor: pointer;
      text-decoration: none;
    }

    .logo-block--link:hover {
      background: #255a43;
    }

    .skip-link {
      position: absolute;
      top: 0.75rem;
      left: 0.75rem;
      z-index: 2000;
      padding: 0.5rem 0.85rem;
      background: var(--white);
      color: var(--nav-solid);
      font-weight: 700;
      font-size: 0.875rem;
      border-radius: 6px;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
      transform: translateY(-120%);
      transition: transform 0.2s ease;
    }

    .skip-link:focus {
      transform: translateY(0);
    }

    .site-main {
      padding-top: 4.5rem;
    }

    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    /* ——— Nav search (compact panel, not fullscreen) ——— */
    .search-overlay {
      display: none;
      position: fixed;
      top: 4.5rem;
      left: 0;
      right: 0;
      z-index: 1060;
      padding: 0.65rem 1rem 0;
      background: transparent;
      pointer-events: none;
    }

    .search-overlay.is-open {
      display: block;
      pointer-events: auto;
    }

    .search-overlay__box {
      width: min(520px, 100%);
      margin: 0 auto;
      background: var(--white);
      border-radius: 12px;
      padding: 1rem 1.15rem 0.85rem;
      box-shadow:
        0 18px 48px rgba(13, 31, 23, 0.18),
        0 0 0 1px rgba(45, 106, 79, 0.1);
    }

    .search-overlay__box label {
      display: block;
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 0.55rem;
    }

    .search-overlay__row {
      display: flex;
      gap: 0.5rem;
    }

    .search-overlay input {
      flex: 1;
      min-width: 0;
      padding: 0.7rem 0.9rem;
      border: 1px solid rgba(45, 106, 79, 0.25);
      border-radius: 8px;
      font-size: 1rem;
      font-family: inherit;
    }

    .search-overlay input:focus {
      outline: 2px solid rgba(82, 183, 136, 0.55);
      outline-offset: 1px;
      border-color: rgba(45, 106, 79, 0.45);
    }

    .search-overlay__close {
      padding: 0.65rem 0.9rem;
      border: none;
      background: var(--nav-solid);
      color: var(--white);
      font-weight: 700;
      font-size: 0.85rem;
      border-radius: 8px;
      cursor: pointer;
      flex-shrink: 0;
    }

    .search-results {
      list-style: none;
      margin: 0.75rem 0 0;
      padding: 0;
      max-height: min(50vh, 320px);
      overflow-y: auto;
      border-top: 1px solid rgba(45, 106, 79, 0.1);
    }

    .search-results__empty {
      padding: 0.85rem 0.15rem;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .search-results__link {
      display: block;
      padding: 0.7rem 0.15rem;
      border-bottom: 1px solid rgba(45, 106, 79, 0.08);
      transition: background 0.15s ease;
    }

    .search-results__link:hover,
    .search-results__link.is-active {
      background: rgba(216, 243, 220, 0.45);
    }

    .search-results__title {
      display: block;
      font-weight: 700;
      color: var(--nav-solid);
      font-size: 0.95rem;
    }

    .search-results__meta {
      display: block;
      margin-top: 0.15rem;
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .nav-search-btn[aria-expanded='true'] {
      background: rgba(45, 106, 79, 0.12);
      color: var(--primary);
    }