:root {
  --color-primary: #1a7a4c;
  --color-primary-dark: #145c39;
  --color-primary-light: #e6f4ec;
  --color-accent: #f2a922;
  --color-accent-dark: #d99411;
  --color-link-active: #1d6fd6;
  --color-navy: #0d1b2a;
  --color-text: #22292f;
  --color-text-muted: #5b6670;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f9f8;
  --color-border: #e3e8e5;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(20, 40, 30, 0.08);
  --max-width: 1180px;
  --max-width-wide: 1320px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin: 0 0 1em; color: var(--color-text-muted); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(6px);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  line-height: 1.2;
}
.brand img { height: 58px; width: auto; }
.brand .brand-tagline { display: block; font-size: .68rem; font-weight: 500; color: var(--color-text-muted); }

.header-right { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-nav > ul > li { position: relative; }

.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: .92rem;
  padding: 10px 12px;
  border-radius: 8px;
  display: inline-block;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--color-link-active); }
.main-nav a.active { color: var(--color-link-active); border-bottom-color: var(--color-link-active); }

/* Dropdown nav: native <details>/<summary> drives open/close state,
   so there is no custom JS class-toggle involved in showing the menu. */
.has-dropdown details { position: relative; }
.has-dropdown summary {
  color: var(--color-text);
  font-weight: 600;
  font-size: .92rem;
  padding: 10px 12px;
  border-radius: 8px;
  display: inline-block;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  list-style: none;
}
.has-dropdown summary::-webkit-details-marker { display: none; }
.has-dropdown summary::marker { content: ''; }
.has-dropdown summary:hover { color: var(--color-link-active); }
.has-dropdown summary.active { color: var(--color-link-active); border-bottom-color: var(--color-link-active); }
.has-dropdown summary::after { content: " \25BE"; font-size: .7em; opacity: .7; }

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  min-width: 200px;
  padding: 8px;
  list-style: none;
  margin: 4px 0 0;
  z-index: 50;
}
.dropdown-menu li a { display: block; padding: 9px 12px; border-radius: 6px; font-weight: 500; border-bottom: none; }
.dropdown-menu li a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }

.nav-search-toggle {
  background: none; border: none; cursor: pointer;
  font-size: 1.05rem; color: var(--color-text); padding: 8px;
  display: flex; align-items: center;
}
.nav-search-toggle:hover { color: var(--color-link-active); }

.nav-search-bar {
  display: none;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.nav-search-bar.open { display: block; }
.nav-search-bar form { display: flex; gap: 8px; padding: 14px 0; }
.nav-search-bar input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--color-border);
  border-radius: 8px; font-size: .95rem;
}

.btn-donate {
  background: var(--color-accent) !important;
  color: #2b1c00 !important;
  font-weight: 700 !important;
  border-radius: 30px !important;
  padding: 10px 20px !important;
}
.btn-donate:hover { background: var(--color-accent-dark) !important; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: .95rem;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

/* Hero */
.hero {
  position: relative;
  color: #fff;
  padding: 110px 0 70px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-primary-dark)) center/cover;
  overflow: hidden;
}
.hero.hero-photo { background-image: linear-gradient(100deg, rgba(9,20,15,.82) 0%, rgba(9,20,15,.45) 55%, rgba(9,20,15,.15) 100%), var(--hero-image); background-size: cover; background-position: center; }
.hero .container { max-width: var(--max-width); text-align: left; position: relative; z-index: 2; }
.hero .hero-content { max-width: 640px; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 4.4vw, 3rem); }
.hero p { color: rgba(255,255,255,.92); font-size: 1.1rem; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero .btn-outline { border-color: #fff; color: #fff; }
.hero .btn-outline:hover { background: #fff; color: var(--color-primary-dark); }

.social-rail {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  z-index: 150;
}
.social-rail a {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(13, 27, 42, .8);
  color: #fff; font-weight: 700; font-size: .85rem;
}
.social-rail a:hover { background: var(--color-accent); color: #2b1c00; }

.stats-bar { background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); }
.stats-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 30px 20px;
}
.stat-item { display: flex; align-items: center; gap: 14px; }
.stat-item .stat-icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.stat-item .stat-num { font-size: 1.4rem; font-weight: 800; color: var(--color-text); line-height: 1.1; }
.stat-item .stat-label { font-size: .82rem; color: var(--color-text-muted); }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Grids and Cards */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  height: 100%;
}
.card h3 { margin-bottom: .4em; }
.card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.news-card img, .job-card { border-radius: var(--radius); }
.news-card img { width: 100%; height: 170px; object-fit: cover; margin-bottom: 14px; }
.news-date { font-size: .8rem; color: var(--color-accent); font-weight: 700; text-transform: uppercase; }

.team-card { text-align: center; }
.team-card .avatar {
  width: 92px; height: 92px; border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.4rem;
  margin: 0 auto 14px;
}

.testimonial-card { border-left: 4px solid var(--color-accent); }
.testimonial-card .quote { font-style: italic; color: var(--color-text); }

/* Flagship project */
.flagship {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.flagship-media img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: 360px; object-fit: cover; }
.flagship-tagline { font-weight: 600; color: var(--color-text); font-size: 1.02rem; }
.flagship-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
  margin: 20px 0 26px;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.flagship-stats .stat-num { font-size: 1.5rem; font-weight: 800; color: var(--color-primary-dark); }
.flagship-stats .stat-label { font-size: .8rem; color: var(--color-text-muted); }

/* Partners strip */
.partners-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  align-items: center;
}
.partner-logo {
  display: flex; align-items: center; justify-content: center;
  padding: 16px; height: 90px;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  background: #fff;
  filter: grayscale(100%);
  opacity: .75;
  transition: filter .2s ease, opacity .2s ease, box-shadow .2s ease;
}
.partner-logo img { max-height: 56px; max-width: 100%; width: auto; object-fit: contain; }
a.partner-logo:hover { filter: none; opacity: 1; box-shadow: var(--shadow); }
.partner-logo.no-link { cursor: default; }

.gallery-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}
.gallery-tab {
  padding: 10px 22px;
  border-radius: 30px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-weight: 700;
  cursor: pointer;
  color: var(--color-text-muted);
}
.gallery-tab .gallery-tab-count {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 8px;
  border-radius: 20px;
  background: var(--color-bg-alt);
  font-size: .78rem;
}
.gallery-tab.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.gallery-tab.active .gallery-tab-count { background: rgba(255,255,255,.25); color: #fff; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.photo-grid-item {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.photo-grid-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.photo-grid-item:hover img { transform: scale(1.06); }
.photo-grid-video { display: flex; align-items: center; justify-content: center; background: var(--color-navy); }
.photo-grid-video .play-badge { color: #fff; font-size: 2rem; }
.photo-grid-video .photo-grid-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 10px 12px; font-size: .8rem; font-weight: 700; color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(9, 20, 15, .94);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 40px 20px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 80vh; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,.5); }
.lightbox-caption { color: #fff; margin-top: 16px; font-size: .95rem; text-align: center; }
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  background: none; border: none; color: #fff; font-size: 2.2rem;
  cursor: pointer; line-height: 1;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.partner-card {
  border: 1px solid var(--color-border); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow);
  padding: 24px; text-align: center;
}
.partner-card .partner-logo { height: 100px; border: none; padding: 0; margin-bottom: 14px; filter: none; opacity: 1; }
.partner-card .partner-name { font-weight: 700; font-size: .92rem; }

/* Forms */
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: .95rem;
}
.form-field textarea { resize: vertical; min-height: 120px; }

.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-weight: 600; }
.alert-success { background: #e6f4ec; color: var(--color-primary-dark); }
.alert-error { background: #fdeaea; color: #a33; }

/* Donate */
.amount-options { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.amount-options button {
  padding: 12px 18px; border-radius: 8px; border: 2px solid var(--color-border);
  background: #fff; cursor: pointer; font-weight: 700;
}
.amount-options button.selected { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary-dark); }

.payment-methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0; }
.payment-method {
  border: 2px solid var(--color-border); border-radius: var(--radius); padding: 18px;
  text-align: center; cursor: pointer; font-weight: 700;
}
.payment-method.selected { border-color: var(--color-primary); background: var(--color-primary-light); }
.payment-method small { display: block; font-weight: 400; color: var(--color-text-muted); margin-top: 4px; }

/* Footer */
.site-footer { background: #12241c; color: #cfe0d7; padding: 56px 0 24px; margin-top: 40px; }
.site-footer h4 { color: #fff; font-size: 1rem; }
.site-footer a { color: #cfe0d7; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 40px; padding-top: 20px;
  font-size: .85rem; color: #93a89b;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* Chatbot widget */
.chatbot-launcher {
  position: fixed; bottom: 24px; right: 24px;
  height: 50px; border-radius: 30px;
  background: var(--color-navy); color: #fff;
  display: flex; align-items: center; gap: 8px;
  padding: 0 20px 0 16px;
  font-size: .9rem; font-weight: 700; box-shadow: var(--shadow);
  cursor: pointer; border: none; z-index: 200;
}
.chatbot-launcher:hover { background: var(--color-primary-dark); }
.chatbot-launcher .icon { font-size: 1.1rem; }
.chatbot-window {
  position: fixed; bottom: 96px; right: 24px;
  width: 340px; max-width: 90vw; max-height: 480px;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  display: none; flex-direction: column; overflow: hidden; z-index: 200;
  border: 1px solid var(--color-border);
}
.chatbot-window.open { display: flex; }
.chatbot-header { background: var(--color-primary); color: #fff; padding: 14px 16px; font-weight: 700; }
.chatbot-body { flex: 1; overflow-y: auto; padding: 14px; font-size: .88rem; }
.chatbot-msg { margin-bottom: 10px; padding: 8px 12px; border-radius: 10px; max-width: 85%; }
.chatbot-msg.bot { background: var(--color-bg-alt); }
.chatbot-msg.user { background: var(--color-primary-light); margin-left: auto; }
.chatbot-input { display: flex; border-top: 1px solid var(--color-border); }
.chatbot-input input { flex: 1; border: none; padding: 12px; font-size: .88rem; }
.chatbot-input button { border: none; background: var(--color-primary); color: #fff; padding: 0 16px; cursor: pointer; }

/* Responsive */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .social-rail { display: none; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .partners-strip { grid-template-columns: repeat(3, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .has-dropdown .dropdown-menu { position: static; box-shadow: none; border: none; padding-left: 12px; }
  .site-header .container { flex-wrap: wrap; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .payment-methods { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .flagship { grid-template-columns: 1fr; }
  .flagship-media img { height: 240px; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 56px 0; }
  .stats-bar .container { grid-template-columns: 1fr 1fr; gap: 24px; }
  .chatbot-launcher span.label { display: none; }
  .partners-strip { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: 1fr; }
}