/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: #fff;
  color: #1a2e2b;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── CSS VARIABLES ── */
:root {
  --teal:       #0d5246;
  --teal-mid:   #1a6b59;
  --teal-light: #e8f4f1;
  --green:      #3a8c3f;
  --lime:       #6db33f;
  --lime-light: #e9f5e1;
  --white:      #ffffff;
  --gray-50:    #f7f9f8;
  --gray-100:   #eef2f0;
  --gray-200:   #d4ddd9;
  --gray-400:   #8fa89f;
  --gray-600:   #4a6560;
  --gray-800:   #1a2e2b;
  --border:     #dde8e4;
  --shadow-sm:  0 1px 3px rgba(13,82,70,0.08);
  --shadow-md:  0 4px 16px rgba(13,82,70,0.10);
  --shadow-lg:  0 8px 32px rgba(13,82,70,0.13);
  --radius:     6px;
  --radius-lg:  12px;
}

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4,h5 {
  font-family: 'Libre Baskerville', serif;
  line-height: 1.2;
  color: var(--teal);
}
h1 { font-size: clamp(28px,4vw,48px); }
h2 { font-size: clamp(22px,3vw,36px); }
h3 { font-size: clamp(18px,2vw,24px); }
h4 { font-size: 18px; }
p  { color: var(--gray-600); line-height: 1.75; }

/* ── LAYOUT HELPERS ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
.section    { padding: 80px 0; }
.section-sm { padding: 56px 0; }

.section-label {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--lime);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-sub   { font-size: 16px; color: var(--gray-600); max-width: 600px; }

.divider {
  width: 48px; height: 3px;
  background: var(--lime);
  margin: 16px 0 28px;
}
.divider-center { margin: 16px auto 28px; }

.text-center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ── BUTTONS ── */
.btn {
  display: inline-block; padding: 12px 28px;
  font-size: 14px; font-weight: 600; letter-spacing: 0.04em;
  border-radius: var(--radius); cursor: pointer;
  transition: all 0.2s; border: 2px solid transparent;
  font-family: 'DM Sans', sans-serif;
}
.btn-primary {
  background: var(--teal); color: #fff; border-color: var(--teal);
}
.btn-primary:hover { background: var(--teal-mid); border-color: var(--teal-mid); }
.btn-outline {
  background: transparent; color: var(--teal); border-color: var(--teal);
}
.btn-outline:hover { background: var(--teal-light); }
.btn-green {
  background: var(--lime); color: #fff; border-color: var(--lime);
}
.btn-green:hover { background: var(--green); border-color: var(--green); }

/* ── CARDS ── */
.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow-sm); transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* ── NAV ── */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo img { height: 48px; width: auto; }

.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px; border-radius: var(--radius);
  font-size: 14px; font-weight: 500; color: var(--gray-800);
  transition: background 0.15s, color 0.15s; white-space: nowrap;
  cursor: pointer;
}
.nav-link:hover, .nav-link.active { background: var(--teal-light); color: var(--teal); }
.nav-link .caret { font-size: 10px; opacity: 0.6; }

/* Dropdowns */
.nav-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0;
  min-width: 220px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 8px 0;
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: opacity 0.18s, transform 0.18s; z-index: 300;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1; pointer-events: all; transform: translateY(0);
}
.nav-dropdown a {
  display: block; padding: 9px 20px;
  font-size: 13.5px; color: var(--gray-800);
  transition: background 0.12s, color 0.12s;
}
.nav-dropdown a:hover { background: var(--teal-light); color: var(--teal); }

.nav-cta {
  background: var(--teal); color: #fff !important;
  border-radius: var(--radius); padding: 10px 22px !important;
  font-weight: 600 !important; font-size: 13.5px !important;
  margin-left: 8px; transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--teal-mid) !important; }

/* ── BREADCRUMB ── */
.breadcrumb {
  background: var(--gray-50); border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb-inner {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--gray-400);
}
.breadcrumb-inner a { color: var(--teal); }
.breadcrumb-inner a:hover { text-decoration: underline; }
.breadcrumb-inner .sep { color: var(--gray-200); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: var(--teal); color: #fff; padding: 56px 0;
}
.page-hero h1 { color: #fff; }
.page-hero p { color: rgba(255,255,255,0.78); margin-top: 12px; font-size: 17px; }

/* ── STATS BAR ── */
.stats-bar {
  background: var(--teal); padding: 40px 0;
}
.stats-bar .stat { text-align: center; }
.stats-bar .stat-num {
  font-family: 'Libre Baskerville', serif;
  font-size: 40px; font-weight: 700; color: #fff; display: block;
}
.stats-bar .stat-num span { color: var(--lime); }
.stats-bar .stat-label {
  font-size: 13px; color: rgba(255,255,255,0.7);
  text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px; display: block;
}

/* ── GREEN ACCENT BAND ── */
.green-band { background: var(--lime-light); border-top: 3px solid var(--lime); border-bottom: 3px solid var(--lime); padding: 40px 0; }

/* ── FOOTER ── */
.site-footer { background: var(--teal); color: rgba(255,255,255,0.8); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-logo img { height: 44px; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-about { font-size: 13.5px; line-height: 1.75; color: rgba(255,255,255,0.65); }
.footer-col h4 {
  font-family: 'DM Sans', sans-serif; font-size: 12px;
  font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--lime); margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col ul li a { font-size: 13.5px; color: rgba(255,255,255,0.65); transition: color 0.15s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 0; display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px; color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: #fff; }

/* ── CONTACT FORM ── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gray-600); margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif; font-size: 14px;
  color: var(--gray-800); background: var(--gray-50);
  transition: border-color 0.2s; outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--teal); background: #fff; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%; padding: 14px;
  background: var(--teal); color: #fff;
  font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600;
  border: none; border-radius: var(--radius); cursor: pointer;
  transition: background 0.2s; letter-spacing: 0.03em;
}
.form-submit:hover { background: var(--teal-mid); }

/* ── TAG / BADGE ── */
.tag {
  display: inline-block; padding: 3px 10px;
  background: var(--lime-light); color: var(--green);
  border-radius: 100px; font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.tag-teal { background: var(--teal-light); color: var(--teal); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
}