/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  --green-dark:    #1a5c2a;
  --green-main:    #2d8a4e;
  --green-mid:     #3aad62;
  --green-light:   #5ecb82;
  --green-pale:    #e6f7ec;
  --white:         #ffffff;
  --gray-light:    #f5f5f5;
  --gray-mid:      #e0e0e0;
  --gray-text:     #555555;
  --black:         #1a1a1a;
  --link-color:    #1a7a3a;
  --nav-width:     200px;
  --header-height: 68px;
  --font-heading:  'Merriweather', serif;
  --font-body:     'Source Sans 3', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--black);
  background: var(--gray-light);
  line-height: 1.7;
}

/* HEADER */
#site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-main) 60%, var(--green-mid) 100%);
  display: flex; align-items: center; gap: 14px; padding: 0 20px;
  z-index: 1000; box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

/* Hamburger button - hidden on desktop, shown on tablet/mobile (see media queries) */
#nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px; background: none; border: none; cursor: pointer;
  padding: 0; flex-shrink: 0;
}
#nav-toggle span {
  display: block; width: 100%; height: 2px; background: var(--white);
  border-radius: 2px; transition: transform 0.25s, opacity 0.25s;
}
#nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
#nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Backdrop shown behind the off-canvas sidebar on tablet/mobile */
#nav-backdrop {
  display: none; position: fixed; inset: var(--header-height) 0 0 0;
  background: rgba(0,0,0,0.4); z-index: 998;
}
#nav-backdrop.visible { display: block; }

.logo-wrap { display: flex; align-items: center; gap: 12px; text-decoration: none; min-width: 0; }
.logo-icon { width: 46px; height: 46px; flex-shrink: 0; object-fit: contain; border-radius: 4px; }

.company-name {
  font-family: var(--font-heading); font-size: 18px; font-weight: 700;
  color: var(--white); letter-spacing: 0.3px; line-height: 1.25;
}
.company-name span {
  display: block; font-size: 12.5px; font-weight: 300; font-family: var(--font-body);
  letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.82); margin-top: 2px;
}

/* LAYOUT */
#layout { display: flex; margin-top: var(--header-height); min-height: calc(100vh - var(--header-height)); }

/* SIDEBAR */
#sidebar {
  width: var(--nav-width); min-width: var(--nav-width);
  background: var(--white); border-right: 1px solid var(--gray-mid);
  padding-top: 18px; position: sticky; top: var(--header-height);
  height: calc(100vh - var(--header-height)); overflow-y: auto;
  transition: transform 0.25s ease;
}

#sidebar nav ul { list-style: none; }

#sidebar nav ul li a {
  display: block; padding: 10px 18px; font-size: 15px;
  color: var(--link-color); text-decoration: none;
  border-bottom: 1px solid var(--gray-mid);
  transition: background 0.2s, color 0.2s;
}

#sidebar nav ul li a:hover,
#sidebar nav ul li a.active {
  background: var(--green-pale); color: var(--green-dark); font-weight: 600;
}

/* DROPDOWN */
#sidebar nav ul li.has-dropdown {
  display: flex; align-items: stretch; flex-wrap: wrap; position: relative;
}

#sidebar nav ul li.has-dropdown > a.nav-parent {
  flex: 1; min-width: 0;
}

#sidebar nav ul li.has-dropdown > .dropdown-toggle {
  width: 34px; flex-shrink: 0; border: none; background: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--gray-mid); transition: background 0.2s;
}
#sidebar nav ul li.has-dropdown > .dropdown-toggle:hover { background: var(--green-pale); }

#sidebar nav ul li.has-dropdown > .dropdown-toggle::after {
  content: '▸'; font-size: 10px; transition: transform 0.2s; color: var(--green-main);
}

#sidebar nav ul li.has-dropdown.open > .dropdown-toggle::after { transform: rotate(90deg); }

#sidebar nav ul li.has-dropdown > a.nav-parent.active,
#sidebar nav ul li.has-dropdown.open > a.nav-parent,
#sidebar nav ul li.has-dropdown.open > .dropdown-toggle {
  background: var(--green-pale); color: var(--green-dark); font-weight: 600;
}

#sidebar nav ul li.has-dropdown > .dropdown-sub { width: 100%; }

.dropdown-sub { list-style: none; display: none; background: #f0faf4; }
.has-dropdown.open .dropdown-sub { display: block; }

.dropdown-sub li a {
  padding: 9px 18px 9px 30px !important; font-size: 14px !important;
  color: var(--gray-text) !important; border-bottom: 1px solid #d8eee0 !important;
  background: transparent !important;
}
.dropdown-sub li a:hover,
.dropdown-sub li a.active {
  background: var(--green-pale) !important; color: var(--green-dark) !important; font-weight: 600 !important;
}
.dropdown-sub li:last-child a { border-bottom: 1px solid var(--gray-mid) !important; }

/* MAIN CONTENT */
#main-content { flex: 1; background: var(--white); }
.page-content { padding: 28px 38px 50px; max-width: 900px; }

/* TYPOGRAPHY */
.page-content h1 { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--black); margin-bottom: 18px; }
.page-content h2 { font-family: var(--font-heading); font-size: 20px; font-weight: 700; color: var(--green-dark); margin: 26px 0 10px; }
.page-content p { margin-bottom: 11px; color: var(--gray-text); }
.page-content ul { margin: 8px 0 14px 22px; color: var(--gray-text); }
.page-content ul li { margin-bottom: 6px; }

.bold  { font-weight: 700; color: var(--black); }
.green { font-weight: 700; color: var(--green-main); }
.text-link { color: var(--link-color); text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* CARDS */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(195px, 1fr)); gap: 14px; margin: 16px 0 20px; }
.card { background: var(--green-pale); border: 1px solid #b2dfc0; border-left: 4px solid var(--green-main); border-radius: 4px; padding: 14px 16px; }
.card h3 { font-family: var(--font-heading); font-size: 15px; font-weight: 700; color: var(--green-dark); margin-bottom: 6px; }
.card p { font-size: 14px; margin: 0; color: var(--gray-text); }

/* JOB LIST */
.job-list { margin: 14px 0; }
.job-item { border: 1px solid var(--gray-mid); border-radius: 3px; padding: 12px 16px; margin-bottom: 10px; background: var(--white); }
.job-item h3 { font-size: 16px; font-weight: 700; color: var(--green-dark); margin-bottom: 4px; }
.job-item p { font-size: 15px; margin: 0; color: var(--gray-text); }

/* CONTACT FORM */
.contact-form-wrap { max-width: 540px; margin-top: 10px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 15px; font-weight: 600; color: var(--green-dark); margin-bottom: 4px; }
.form-group input, .form-group textarea { width: 100%; padding: 8px 11px; border: 1px solid var(--gray-mid); border-radius: 3px; font-family: var(--font-body); font-size: 15px; color: var(--black); background: var(--white); outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--green-main); box-shadow: 0 0 0 2px rgba(45,138,78,0.15); }
.form-group textarea { height: 110px; resize: vertical; }
.btn-submit { background: var(--green-main); color: var(--white); border: none; padding: 10px 28px; font-family: var(--font-body); font-size: 15px; font-weight: 600; border-radius: 3px; cursor: pointer; transition: background 0.2s; }
.btn-submit:hover { background: var(--green-dark); }
.form-success { display: none; background: var(--green-pale); border: 1px solid var(--green-light); border-radius: 4px; padding: 12px 16px; color: var(--green-dark); font-size: 15px; margin-top: 12px; }
.form-error { background: #fdecec; border: 1px solid #f3b7b7; border-radius: 4px; padding: 12px 16px; color: #a12626; font-size: 15px; margin-top: 12px; }
.contact-info { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--gray-mid); font-size: 15px; color: var(--gray-text); }
.contact-info p { margin-bottom: 4px; }
.contact-info strong { color: var(--green-dark); }

/* FOOTER */
#site-footer { background: var(--gray-light); border-top: 1px solid var(--gray-mid); text-align: center; padding: 12px 20px; font-size: 13px; color: #888; margin-left: var(--nav-width); }

/* ============================================================
   RESPONSIVE
   Breakpoints:
   - Desktop  : > 1024px  → sidebar fixed in layout (as designed)
   - Tablet   : ≤ 1024px  → sidebar becomes an off-canvas drawer
   - Mobile   : ≤ 640px   → tighter spacing/typography for small phones
   - Small    : ≤ 380px   → extra-small phones
   ============================================================ */

@media (max-width: 1024px) {
  #nav-toggle { display: flex; }

  #layout { margin-top: var(--header-height); }

  #sidebar {
    position: fixed; top: var(--header-height); left: 0;
    width: 78vw; max-width: 300px; min-width: 0;
    height: calc(100vh - var(--header-height));
    transform: translateX(-100%);
    z-index: 999; box-shadow: 2px 0 12px rgba(0,0,0,0.2);
  }
  #sidebar.open { transform: translateX(0); }

  #main-content { width: 100%; }

  #site-footer { margin-left: 0; }
}

@media (max-width: 640px) {
  .company-name { font-size: 16px; }
  .company-name span { font-size: 11px; letter-spacing: 1px; }
  .logo-icon { width: 38px; height: 38px; }
  #site-header { padding: 0 14px; gap: 10px; }

  .page-content { padding: 18px 18px 30px; max-width: 100%; }
  .page-content h1 { font-size: 22px; }
  .page-content h2 { font-size: 17px; }

  .card-grid { grid-template-columns: 1fr; }

  .contact-form-wrap { max-width: 100%; }

  #site-footer { padding: 10px 14px; font-size: 12px; }
}

@media (max-width: 380px) {
  .company-name span { display: none; } /* tagline hidden on very small phones to avoid crowding */
  .logo-icon { width: 34px; height: 34px; }
  .page-content { padding: 14px 14px 26px; }
}